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La ampliación de criterios de administración de palivizumab no disminuye los ingresos por virus respiratorio sincitial
Broadening criteria for palivizumab administration does not reduce admissions for respiratory syncytial virus
Jessica Gómez Ávila, Juan Iñigo Gil, Beatriz Flores Méndez
Autor para correspondencia
b.flo.m@hotmail.com

Autor para correspondencia.
Servicio de Pediatría, Hospital Universitario Macarena, Sevilla, España
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como la evitaci&#243;n de exposici&#243;n al humo del tabaco o al hacinamiento&#44; as&#237; como la importancia de la higiene de las manos<a class="elsevierStyleCrossRef" href="#bb0015"><span class="elsevierStyleSup">3</span></a>&#46; Palivizumab es un anticuerpo monoclonal humanizado contra la glicoprote&#237;na F del pat&#243;geno&#44; con actividad neutralizante e inhibidora de la fusi&#243;n contra el VRS&#59; se autoriz&#243; en 1998 para la prevenci&#243;n de la enfermedad grave de las v&#237;as respiratorias inferiores por el VRS en los ni&#241;os con alto riesgo de contraer la enfermedad tras demostrarse una disminuci&#243;n de los ingresos hospitalarios por este motivo&#44; no observ&#225;ndose una disminuci&#243;n en los d&#237;as con ox&#237;geno&#44; ventilaci&#243;n mec&#225;nica y mortalidad<a class="elsevierStyleCrossRef" href="#bb0020"><span class="elsevierStyleSup">4</span></a>&#46; Debido al aumento de RN prematuros entre la semana 32 a 35 y el alto costo de este producto&#44; la inmunoprofilaxis queda &#250;nicamente indicada para este grupo si adem&#225;s presentan otros factores de riesgo<a class="elsevierStyleCrossRef" href="#bb0015"><span class="elsevierStyleSup">3</span></a>&#44; como indica la Sociedad Espa&#241;ola de Neonatolog&#237;a &#40;seNeo&#41;<a class="elsevierStyleCrossRef" href="#bb0025"><span class="elsevierStyleSup">5</span></a>&#46;</p><p id="p0015" class="elsevierStylePara elsevierViewall">Con base en esto&#44; se ha llevado a cabo un estudio cuyo objetivo principal ha sido evaluar el impacto de la ampliaci&#243;n de los criterios de administraci&#243;n de palivizumab sobre la tasa de hospitalizaci&#243;n&#46; Como objetivo secundario se intent&#243; identificar los factores de riesgo asociados al desarrollo de bronquiolitis en ambos grupos poblacionales&#46;</p></span><span id="s0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0070">M&#233;todos</span><span id="s0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0075">Dise&#241;o y &#225;mbito</span><p id="p0020" class="elsevierStylePara elsevierViewall">Se realiz&#243; un estudio observacional anal&#237;tico retrospectivo de tipo casos y controles desarrollado en un hospital de tercer nivel integrado en el sistema sanitario espa&#241;ol que cuenta con una tasa de parto anual aproximadamente de 2&#46;500 reci&#233;n nacidos&#46;</p></span><span id="s0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0080">Participantes</span><p id="p0025" class="elsevierStylePara elsevierViewall">La poblaci&#243;n a estudio fue neonatos nacidos entre los a&#241;os 2017 y 2022&#46; Se llev&#243; a cabo una asignaci&#243;n de los pacientes en 2 grupos de estudio&#44; el brazo &#171;controles&#187;&#44; que inclu&#237;a pacientes con criterios de administraci&#243;n de palivizumab seg&#250;n indicaciones de la seNeo &#40;Anexo 1&#41;<a class="elsevierStyleCrossRef" href="#bb0025"><span class="elsevierStyleSup">5</span></a><span class="elsevierStyleItalic">&#44;</span> y el brazo &#171;casos&#187;&#44; en el que se incluyeron pacientes con los nuevos criterios ampliados propuestos en este estudio&#58;<ul class="elsevierStyleList" id="l0005"><li class="elsevierStyleListItem" id="li0005"><span class="elsevierStyleLabel">-</span><p id="p0030" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido menor de 28 &#43; 6 semanas&#44; menor de 9 meses previo del inicio de la estaci&#243;n &#40;del primero al 15 de enero&#41;&#46;</p></li><li class="elsevierStyleListItem" id="li0010"><span class="elsevierStyleLabel">-</span><p id="p0035" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido entre 29-31 &#43; 6 semanas&#44; menor de 6 meses previo al inicio de la estaci&#243;n &#40;del primero de enero al 15 de abril&#41;&#46;</p></li><li class="elsevierStyleListItem" id="li0015"><span class="elsevierStyleLabel">-</span><p id="p0040" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido entre 32-34 &#43; 6 semanas&#44; menor de 10 semanas&#44; previo al inicio de la estaci&#243;n &#40;del primero de enero al 6 de agosto&#41;&#46;</p></li><li class="elsevierStyleListItem" id="li0020"><span class="elsevierStyleLabel">-</span><p id="p0045" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido entre 32-34 &#43; 6 semanas&#44; que han nacido desde el 6 de agosto hasta final de temporada del palivizumab &#40;15 de marzo de ese a&#241;o&#41; y no tienen hermanos&#46;</p></li></ul></p></span><span id="s0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0085">Recogida de datos</span><p id="p0050" class="elsevierStylePara elsevierViewall">Se realiz&#243; una revisi&#243;n de todas las historias cl&#237;nicas de los pacientes susceptibles de ser incluidos en el estudio tras la obtenci&#243;n de un consentimiento informado de los padres&#46; Tras su inclusi&#243;n en el grupo correspondiente&#44; se evaluaron como variables principales la aparici&#243;n de bronquiolitis VRS positiva y la necesidad de ingreso en ambos grupos de poblaci&#243;n&#46; Adem&#225;s&#44; se recogieron los datos de las siguientes variables secundarias&#58; a&#241;o de nacimiento&#44; edad gestacional al nacimiento&#44; peso al nacimiento&#44; sexo&#44; presencia de hermanos&#44; padres fumadores&#44; grado de maduraci&#243;n pulmonar &#40;completa&#44; incompleta o ausente&#41;&#44; necesidad de un agente tensioactivo&#47;ventilaci&#243;n mec&#225;nica&#47;ventilaci&#243;n no invasiva durante su ingreso en la unidad neonatal al nacer&#44; presencia de displasia broncopulmonar &#40;DBP&#41; y grado&#44; oxigenoterapia al alta&#44; edad posmenstrual al alta&#44; d&#237;as de vida al alta&#44; peso al alta y alteraci&#243;n estructural en la ecocardiograf&#237;a&#46;</p></span><span id="s0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0090">An&#225;lisis estad&#237;stico</span><p id="p0055" class="elsevierStylePara elsevierViewall">Para el estudio estad&#237;stico&#44; las distribuciones se analizaron utilizando las pruebas de Kolmogorov-Smirnov o Shapiro-Wilk seg&#250;n la normalidad o no de la muestra&#46; Las variables cuantitativas continuas se expresaron como mediana con rango intercuartil &#40;IQR&#41; &#91;p25-p75&#93; o como media &#177; desviaci&#243;n est&#225;ndar &#40;DS&#41;&#44; y las variables cualitativas se expresaron como frecuencia &#40;&#37;&#41;&#46; Las diferencias entre las variables continuas se analizaron mediante U Mann-Whitney&#44; mientras que para el an&#225;lisis de variables cualitativas se utiliz&#243; la prueba Chi-cuadrado de Pearson o la prueba exacta de Fisher&#46; Se estableci&#243; un nivel de significaci&#243;n por debajo del 5&#37;&#46;</p></span></span><span id="s0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0095">Resultados</span><p id="p0060" class="elsevierStylePara elsevierViewall">De los 347 pacientes incluidos&#44; 9 del brazo control fueron extra&#237;dos del an&#225;lisis posterior por no haber recibido ninguna dosis de palivizumab en el momento del diagn&#243;stico de bronquiolitis&#44; por lo que finalmente el grupo de casos lo constituyeron 173 pacientes y el de control 165 pacientes&#46;</p><p id="p0065" class="elsevierStylePara elsevierViewall">En el grupo casos&#44; los RN tuvieron una media de edad gestacional al nacimiento de 33 &#43; 4 semanas &#40;DS 7 d&#237;as&#41;&#44; con una media de peso al nacimiento de 1&#46;902 gramos &#40;DS 391&#41;&#46; Por otro lado&#44; en el grupo controles los RN tuvieron una media de edad gestacional al nacimiento de 31 &#43; 6 semanas &#40;DS 27 d&#237;as&#41;&#44; con una media de peso al nacimiento de 1&#46;656 gramos &#40;DS 739&#41;&#46; Ambos grupos estaban constituidos principalmente por varones &#40;61&#44;3 y 60&#37; respectivamente&#41;&#46;</p><p id="p0070" class="elsevierStylePara elsevierViewall">Entre los factores de riesgo para presentar bronquiolitis&#44; encontramos un mayor porcentaje de hermanos en edad escolar en los controles &#40;38&#44;2&#37;&#41; que en los casos &#40;26&#44;6&#37;&#41; &#40;p &#61; 0&#44;023&#41;&#44; mientras que la proporci&#243;n de padres fumadores fue similar en ambos grupos &#40;31&#44;5&#37; en controles vs&#46; 38&#44;2&#37; casos&#41;&#46; Un 90&#44;2&#37; de los prematuros del grupo casos recibieron maduraci&#243;n pulmonar en contraposici&#243;n con 71&#44;5&#37; del grupo control&#46; La administraci&#243;n de un agente tensioactivo en los primeros d&#237;as de vida fue de un 39&#44;4&#37; de los pacientes del grupo control frente al 11&#37; de los RN sin indicaci&#243;n de palivizumab&#46;</p><p id="p0075" class="elsevierStylePara elsevierViewall">Al relacionar las caracter&#237;sticas de la muestra entre los pacientes que presentaron bronquiolitis y los que no del grupo control&#44; encontramos una relaci&#243;n estad&#237;sticamente significativa entre la presencia de hermanos y la aparici&#243;n de la enfermedad &#40;<a class="elsevierStyleCrossRef" href="#t0005">tabla 1</a>&#41;&#46; No siendo as&#237; en los casos &#40;<a class="elsevierStyleCrossRef" href="#t0010">tabla 2</a>&#41;&#46;</p><elsevierMultimedia ident="t0005"></elsevierMultimedia><elsevierMultimedia ident="t0010"></elsevierMultimedia><p id="p0080" class="elsevierStylePara elsevierViewall">Un 34&#44;6&#37; &#40;60&#41; tuvieron bronquiolitis en el brazo casos y un 29&#44;6&#37; &#40;49&#41; en controles&#46; De ellos&#44; dentro de los casos&#44; un 15&#37; &#40;9&#41; fueron VRS positivo &#40;5&#44;2&#37; con respecto al total de casos&#41;&#44; un 26&#44;7&#37; &#40;16&#41; VRS negativo y el resto no fueron testados&#46; En los controles&#44; un 14&#44;3&#37; &#40;7&#41; fueron VRS positivo &#40;4&#44;2&#37; con respecto al total de controles&#41;&#44; un 49&#37; &#40;24&#41; VRS negativo y el resto fueron no testados&#44; siendo estas diferencias estad&#237;sticamente significativas &#40;p &#61; 0&#44;044&#41;&#46;</p><p id="p0085" class="elsevierStylePara elsevierViewall">Se analiz&#243; la relaci&#243;n entre el aislamiento de VRS o no&#44; tanto en casos como en controles&#44; con las caracter&#237;sticas de la muestra &#40;<a class="elsevierStyleCrossRefs" href="#t0015">tabla 3 y 4</a>&#41;&#46;</p><elsevierMultimedia ident="t0015"></elsevierMultimedia><elsevierMultimedia ident="t0020"></elsevierMultimedia><p id="p0090" class="elsevierStylePara elsevierViewall">En ambos grupos todos los pacientes con bronquiolitis VRS positivo precisaron ingreso en la planta de hospitalizaci&#243;n &#40;tasa de ingreso de 5&#44;2&#37; en casos vs&#46; 4&#44;2&#37; en controles&#41;&#46; Por el contrario&#44; el porcentaje de ingreso hospitalario fue muy superior en el grupo de los controles cuando la bronquiolitis era de otra etiolog&#237;a &#40;95&#44;8&#37; vs&#46; 62&#44;5&#37;&#41; &#40;p &#60; 0&#44;05&#41;&#46; De los 49 pacientes en total que requirieron ingreso hospitalario&#44; precisaron ingreso en UCIP 3 pacientes VRS positivo &#40;33&#44;3&#37;&#41; del brazo casos y 2 pacientes VRS positivo del brazo controles &#40;28&#44;6&#37;&#41;&#46; Estas diferencias no fueron estad&#237;sticamente significativas&#46; Para los pacientes VRS positivos&#44; la media de estancia hospitalaria fue de 10 y 5 d&#237;as &#40;DS 13 y 3 d&#237;as&#41; en el grupo casos y controles&#44; respectivamente&#46; Estos resultados son no significativos estad&#237;sticamente&#46;</p></span><span id="s0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0100">Discusi&#243;n</span><p id="p0095" class="elsevierStylePara elsevierViewall">Al analizar la poblaci&#243;n de prematuros no subsidiarios inicialmente de inmunoprofilaxis con palivizumab seg&#250;n seNeo &#40;grupo casos&#41; encontramos una incidencia de bronquiolitis por VRS &#40;aproximadamente menor al 5&#37;&#41; e ingreso en la planta de hospitalizaci&#243;n similar a la encontrada en nuestra poblaci&#243;n inmunizada con palivizumab &#40;grupo control&#41; en el periodo de tiempo estudiado&#46; Estos resultados son compatibles con otros estudios realizados previamente donde se utiliz&#243; un protocolo de administraci&#243;n restringido sin observarse un aumento significativo de las tasas de hospitalizaci&#243;n manteni&#233;ndose por debajo del 10&#37;&#44; principalmente de prematuros menores de 32 semanas&#44; ni un aumento de los costos hospitalarios<a class="elsevierStyleCrossRef" href="#bb0030"><span class="elsevierStyleSup">6</span></a>&#46;</p><p id="p0100" class="elsevierStylePara elsevierViewall">Por el contrario&#44; s&#237; observamos una disminuci&#243;n de d&#237;as de estancia hospitalaria en el grupo que recib&#237;a la medida de intervenci&#243;n con respecto al otro grupo&#44; constituido por pacientes de mayor edad gestacional al nacimiento y con menos factores de riesgo asociados&#44; aunque de manera no significativa&#46; Esto mismo se recoge en el ensayo IMpact-RSV<a class="elsevierStyleCrossRef" href="#bb0035"><span class="elsevierStyleSup">7</span></a> donde el n&#250;mero de d&#237;as de hospitalizaci&#243;n disminuy&#243; de 62&#44;6 d&#237;as en el grupo placebo con respecto a 36&#44;4 en el grupo palivizumab<a class="elsevierStyleCrossRef" href="#bb0015"><span class="elsevierStyleSup">3</span></a>&#46;</p><p id="p0105" class="elsevierStylePara elsevierViewall">Sin embargo&#44; estudios anteriores determinan que la administraci&#243;n mensual de palivizumab comparada con placebo en los pacientes con factores de riesgo &#40;prematuros sin enfermedad pulmonar cr&#243;nica &#91;EPC&#93;&#44; prematuros con EPC&#44; lactantes y ni&#241;os con enfermedad cardiaca hemodin&#225;micamente significativa&#41; durante la temporada de VRS reduce la tasa de hospitalizaci&#243;n hasta un 55&#37; y tambi&#233;n la gravedad cl&#237;nica de la enfermedad<a class="elsevierStyleCrossRef" href="#bb0015"><span class="elsevierStyleSup">3</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bb0020"><span class="elsevierStyleSup">4</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bb0040"><span class="elsevierStyleSup">8</span></a>&#46;</p><p id="p0110" class="elsevierStylePara elsevierViewall">En nuestro caso&#44; en el grupo sin indicaci&#243;n de palivizumab se objetiv&#243; un incremento no estad&#237;sticamente significativo del 5&#37; de ingresos en UCI con respecto al grupo control&#44; resultado equivalente al reflejado en el estudio de Sun M&#46; et al<a class="elsevierStyleCrossRef" href="#bb0045"><span class="elsevierStyleSup">9</span></a>&#46;</p><p id="p0115" class="elsevierStylePara elsevierViewall">Ya son conocidos los factores de riesgo que se asocian con mayor frecuencia a la infecci&#243;n por VRS que requiere hospitalizaci&#243;n&#58; el sexo masculino&#44; afecciones m&#233;dicas cr&#243;nicas&#44; nivel socio-econ&#243;mico bajo&#44; exposici&#243;n a humo&#44; contacto con otros ni&#241;os y falta de lactancia materna&#44; Hall 2009<a class="elsevierStyleCrossRef" href="#bb0050"><span class="elsevierStyleSup">10</span></a> y Robinson<a class="elsevierStyleCrossRef" href="#bb0055"><span class="elsevierStyleSup">11</span></a>&#46; Sin embargo&#44; en nuestra muestra se vio que los pacientes que ingresaban por bronquiolitis entre los casos ten&#237;an edades gestacionales superiores al grupo control y no presentaban EPC ni oxigenoterapia domiciliaria&#44; aunque s&#237; se evidenci&#243; un mayor porcentaje de hermanos en edad escolar dentro de este grupo poblacional&#46; Esto tambi&#233;n se refleja en el estudio de Hern&#225;ndez-Gago et al&#46; donde la mayor parte de los pacientes ingresados no presentaban ciertos condicionantes m&#233;dicos como EPC o prematuridad&#44; sino otros factores de riesgo ambientales y sociales&#44; as&#237; como una corta edad postnatal al comienzo de la estaci&#243;n del VRS&#46; Todo esto hace pensar a que las estrategias de prevenci&#243;n deben ir m&#225;s all&#225; de la inmunoprofilaxis y dirigirse hacia medidas educacionales en las familias y colegios&#44; con independencia de su pertenencia a un grupo de riesgo<a class="elsevierStyleCrossRef" href="#bb0030"><span class="elsevierStyleSup">6</span></a><span class="elsevierStyleSup">&#44;</span><a class="elsevierStyleCrossRef" href="#bb0045"><span class="elsevierStyleSup">9</span></a>&#46;</p><p id="p0120" class="elsevierStylePara elsevierViewall">A diferencia de lo observado en algunas publicaciones donde la administraci&#243;n de palivizumab supone una reducci&#243;n de la infecci&#243;n de hasta un 33&#37;<a class="elsevierStyleCrossRef" href="#bb0040"><span class="elsevierStyleSup">8</span></a>&#44; en nuestro caso la diferencia entre ambos grupos poblacionales es exclusivamente del 0&#44;7&#37;&#44; dando a entender que la ampliaci&#243;n de la inmunoprofilaxis en esta poblaci&#243;n no ser&#237;a una medida costo-efectiva&#46;</p><p id="p0125" class="elsevierStylePara elsevierViewall">Solo el gasto derivado por la hospitalizaci&#243;n por VRS&#44; sin tener en cuenta el costo de secuelas y seguimiento posterior&#44; excede el gasto sanitario total per c&#225;pita en la mayor&#237;a de los pa&#237;ses de la Organizaci&#243;n para la Cooperaci&#243;n y el Desarrollo Econ&#243;micos &#40;OCDE&#41;<a class="elsevierStyleCrossRef" href="#bb0060"><span class="elsevierStyleSup">12</span></a>&#46; Aun as&#237;&#44; la bibliograf&#237;a nos indica que el coste del medicamento sigue siendo elevado &#40;1&#46;416 d&#243;lares por 100 mg&#41;&#44; siendo palivizumab una opci&#243;n de prevenci&#243;n rentable en entornos con alto umbral econ&#243;mico&#46; Se requerir&#237;a por tanto una disminuci&#243;n sustancial en el costo &#40;36&#44;8 a 83&#44;3&#37;&#41; para que sea una tambi&#233;n rentable entre las poblaciones vulnerables<a class="elsevierStyleCrossRefs" href="#bb0065"><span class="elsevierStyleSup">13&#8211;15</span></a>&#46;</p><p id="p0130" class="elsevierStylePara elsevierViewall">Para finalizar&#44; rese&#241;ar que este estudio se vi&#243; limitado por el reducido tama&#241;o muestral y el criterio de solo realizar pruebas de aislamiento del virus en la nasofaringe de los pacientes que requirieron ingreso&#44; estando los pacientes con seguimiento ambulatorio no testados&#59; lo que infradiagnostic&#243; la presencia del VRS&#46;</p></span><span id="s2845" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st2155">Conclusi&#243;n</span><p id="p1545" class="elsevierStylePara elsevierViewall">Una ampliaci&#243;n de criterios de administraci&#243;n de palivizumab a todos los reci&#233;n nacidos prematuros menores de 35 semanas no supondr&#237;a una disminuci&#243;n de infecci&#243;n ni de ingresos hospitalarios por VRS&#44; ya que encontramos una incidencia en esta poblaci&#243;n no protegida semejante a la que presentan los pacientes inmunizados&#46; Esto conllevar&#237;a un aumento de costes sin una clara reducci&#243;n de las tasas de infecci&#243;n por dicho virus&#46;</p></span><span id="s2045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st2105">Consideraciones &#233;ticas</span><p id="p2145" class="elsevierStylePara elsevierViewall">Para la realizaci&#243;n de este estudio observacional anal&#237;tico retrospectivo se obtuvo la aprobaci&#243;n del comit&#233; de &#233;tica de la instituci&#243;n y el consentimiento informado de los padres de los pacientes&#46;</p></span><span id="s0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0105">Financiaci&#243;n</span><p id="p0145" class="elsevierStylePara elsevierViewall">La presente investigaci&#243;n no ha recibido ayudas espec&#237;ficas provenientes de agencias del sector p&#250;blico&#44; sector comercial o entidades sin &#225;nimo de lucro&#46;</p></span><span id="s0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0110">Conflicto de intereses</span><p id="p0155" class="elsevierStylePara elsevierViewall">Los autores declaran no tener ning&#250;n conflicto de intereses&#46;</p></span><span id="s0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0115">Agradecimientos</span><p id="p0160" class="elsevierStylePara elsevierViewall">Al Servicio de Neonatolog&#237;a del Hospital Universitario Macarena&#46;</p></span></span>"
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            1 => "Virus respiratorio sincitial"
            2 => "Prevenci&#243;n"
            3 => "Palivizumab"
          ]
        ]
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        0 => array:4 [
          "clase" => "keyword"
          "titulo" => "Keywords"
          "identificador" => "xpalclavsec1781484"
          "palabras" => array:4 [
            0 => "Bronchiolitis"
            1 => "Respiratory syncytial virus"
            2 => "Prevention"
            3 => "Palivizumab"
          ]
        ]
      ]
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    "resumen" => array:2 [
      "es" => array:3 [
        "titulo" => "Resumen"
        "resumen" => "<span id="as0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0010">Introducci&#243;n</span><p id="sp0060" class="elsevierStyleSimplePara elsevierViewall">el virus sincitial respiratorio supone la primera causa de ingreso hospitalario por bronquiolitis en nuestro medio&#46; La inmunoprofilaxis con palivizumab es una medida efectiva en aquellos pacientes que cumplen criterios para su administraci&#243;n&#46; El objetivo de nuestro estudio es evaluar si la ampliaci&#243;n de dichos criterios disminuir&#237;a la tasa de hospitalizaci&#243;n por este motivo&#46;</p></span> <span id="as0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0015">M&#233;todos</span><p id="sp0065" class="elsevierStyleSimplePara elsevierViewall">se realiz&#243; un estudio observacional anal&#237;tico retrospectivo de tipo casos y controles desarrollado en un hospital de tercer nivel&#44; que incluy&#243; a 338 neonatos nacidos entre los a&#241;os 2017 y 2022&#46; En el brazo &#171;controles&#187; se incluyeron pacientes con criterios de administraci&#243;n de palivizumab seg&#250;n indicaciones de la Sociedad Espa&#241;ola de Neonatolog&#237;a y en el brazo &#171;casos&#187;&#44; a pacientes prematuros de hasta 35 semanas de edad gestacional excluidos de estos criterios&#46; Se evaluaron como variables principales la aparici&#243;n de bronquiolitis por virus sincitial respiratorio&#160; y la necesidad de ingreso en ambos grupos&#46;</p></span> <span id="as0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0020">Resultados</span><p id="sp0070" class="elsevierStyleSimplePara elsevierViewall">la incidencia de bronquiolitis por virus respiratorio sincitial y el ingreso en la planta de hospitalizaci&#243;n en el grupo de casos fue similar a la encontrada en nuestra poblaci&#243;n inmunizada con palivizumab &#40;grupo control&#41;&#46;</p><p id="sp0075" class="elsevierStyleSimplePara elsevierViewall">Solo se encontr&#243; diferencia estad&#237;sticamente significativa en cuanto a la presencia de hermanos en edad escolar como factor de riesgo para el desarrollo de bronquiolitis&#46;</p></span> <span id="as0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0025">Conclusiones</span><p id="sp0080" class="elsevierStyleSimplePara elsevierViewall">una ampliaci&#243;n de criterios de administraci&#243;n de palivizumab a todos los prematuros menores de 35 semanas conllevar&#237;a un aumento de costes sin implicar una reducci&#243;n de las tasas de infecci&#243;n ni de ingresos por virus respiratorio sincitial&#46;</p></span>"
        "secciones" => array:4 [
          0 => array:2 [
            "identificador" => "as0005"
            "titulo" => "Introducci&#243;n"
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            "identificador" => "as0010"
            "titulo" => "M&#233;todos"
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            "identificador" => "as0015"
            "titulo" => "Resultados"
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          3 => array:2 [
            "identificador" => "as0020"
            "titulo" => "Conclusiones"
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      "en" => array:3 [
        "titulo" => "Abstract"
        "resumen" => "<span id="as0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0035">Introduction</span><p id="sp0085" class="elsevierStyleSimplePara elsevierViewall">Respiratory syncytial virus is the leading cause of hospital admission for bronchiolitis in Spain&#46; Immunoprophylaxis with palivizumab is an effective measure in those patients who meet the criteria for its administration&#46; The aim of our study was to evaluate whether the extension of these criteria would reduce the rate of hospitalisation for this reason&#46;</p></span> <span id="as0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0040">Methods</span><p id="sp0090" class="elsevierStyleSimplePara elsevierViewall">A retrospective analytical observational case-control study was conducted in a tertiary hospital&#44; including 338 neonates born between 2017 and 2022&#46; The &#8220;controls&#8221; arm included patients with criteria for palivizumab administration according to the Spanish Society of Neonatology indications&#44; and the &#8220;cases&#34; arm included preterm patients up to 35 weeks of gestational age excluded from these criteria&#46; The main variables assessed were the occurrence of respiratory syncytial virus bronchiolitis and the need for admission in both groups&#46;</p></span> <span id="as0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0045">Results</span><p id="sp0095" class="elsevierStyleSimplePara elsevierViewall">The incidence of RSV bronchiolitis and admission to the hospital ward in the case group was similar to that found in our palivizumab-immunised population &#40;control group&#41;&#46;</p><p id="sp0100" class="elsevierStyleSimplePara elsevierViewall">Statistically significant differences were only found for the presence of school-aged siblings as a risk factor for the development of bronchiolitis&#46;</p></span> <span id="as0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="st0050">Conclusions</span><p id="sp0105" class="elsevierStyleSimplePara elsevierViewall">An extension of the criteria for palivizumab administration to all preterm infants younger than 35 weeks would lead to increased costs without a reduction in infection rates and respiratory syncytial virus admissions&#46;</p></span>"
        "secciones" => array:4 [
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            "identificador" => "as0025"
            "titulo" => "Introduction"
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            "identificador" => "as0030"
            "titulo" => "Methods"
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          2 => array:2 [
            "identificador" => "as0035"
            "titulo" => "Results"
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          3 => array:2 [
            "identificador" => "as0040"
            "titulo" => "Conclusions"
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          0 => array:3 [
            "apendice" => "<p id="p0165" class="elsevierStylePara elsevierViewall"><ul class="elsevierStyleList" id="l0010"><li class="elsevierStyleListItem" id="li0025"><span class="elsevierStyleLabel">-</span><p id="p0170" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido a las 28 &#43; 6 semanas o menos de gestaci&#243;n&#44; menor de 9 meses al inicio de la estaci&#243;n &#40;a partir del 15 de enero inclusive&#41;&#46;</p></li><li class="elsevierStyleListItem" id="li0030"><span class="elsevierStyleLabel">-</span><p id="p0175" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido entre 29-31 &#43; 6 semanas&#44; menor de 6 meses al inicio de la estaci&#243;n &#40;a partir del 15 de enero inclusive&#41;&#46;</p></li><li class="elsevierStyleListItem" id="li0035"><span class="elsevierStyleLabel">-</span><p id="p0180" class="elsevierStylePara elsevierViewall">Reci&#233;n nacido entre 32-34 &#43; 6 semanas&#44; menor de 10 semanas al inicio de la estaci&#243;n &#40;a partir del 6 de agosto inclusive&#41; y al menos un hermano en el colegio o guarder&#237;a&#46;</p></li><li class="elsevierStyleListItem" id="li0040"><span class="elsevierStyleLabel">-</span><p id="p0185" class="elsevierStylePara elsevierViewall">Ni&#241;o con displasia broncopulmonar &#40;DBP&#41; menor de un a&#241;o&#46;</p></li><li class="elsevierStyleListItem" id="li0045"><span class="elsevierStyleLabel">-</span><p id="p0190" class="elsevierStylePara elsevierViewall">Ni&#241;o con DBP menor de 2 a&#241;os de edad&#44; que ha necesitado tratamiento &#40;oxigenoterapia&#44; broncodilatadores&#44; diur&#233;ticos o corticoides&#41; en los 6 meses previos al inicio de la estaci&#243;n&#46;</p></li><li class="elsevierStyleListItem" id="li0050"><span class="elsevierStyleLabel">-</span><p id="p0195" class="elsevierStylePara elsevierViewall">Ni&#241;o menor de 2 a&#241;os de edad con enfermedad cardiaca cong&#233;nita hemodin&#225;micamente significativa &#40;hipertensi&#243;n pulmonar de moderada a severa&#44; cardiopat&#237;a cianosante no corregida e insuficiencia cardiaca&#41;&#46;</p></li><li class="elsevierStyleListItem" id="li0055"><span class="elsevierStyleLabel">-</span><p id="p0200" class="elsevierStylePara elsevierViewall">Ni&#241;o menor de 2 a&#241;os de edad con anormalidades anat&#243;micas pulmonares o enfermedad neuromuscular que impida la normal eliminaci&#243;n de secreciones respiratorias&#46;</p></li><li class="elsevierStyleListItem" id="li0060"><span class="elsevierStyleLabel">-</span><p id="p0205" class="elsevierStylePara elsevierViewall">Ni&#241;o menor de 2 a&#241;os de edad con inmunodeficiencia &#40;trasplantados y&#47;o en tratamiento con quimioterapia&#41;&#46;</p></li></ul></p>"
            "titulo" => "Anexo 1&#46; Criterios de administraci&#243;n de palivizumab indicados por Sociedad Espa&#241;ola de Neonatolog&#237;a &#40;seNeo&#41;<a class="elsevierStyleCrossRef" href="#bb0025"><span class="elsevierStyleSup">5</span></a>"
            "identificador" => "s0060"
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          "leyenda" => "<p id="sp0010" class="elsevierStyleSimplePara elsevierViewall">Me &#40;IQR&#41;&#58; mediana y rango intercuart&#237;lico &#40;p25-p75&#41;&#46;</p><p id="sp0015" class="elsevierStyleSimplePara elsevierViewall">Media &#40;IC 95&#37;&#41; &#91;DS&#93;&#58; media&#44; intervalo de confianza y desviaci&#243;n est&#225;ndar&#46;</p>"
          "tablatextoimagen" => array:1 [
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                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="6" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Casos &#40;n &#61; 173&#41;</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Bronquiolitis Si &#40;n &#61; 60&#41;</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Bronquiolitis No &#40;n &#61; 113&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Sexo &#40;&#37;&#41;</span></th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Hombre&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Hombre&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"></th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">22 &#40;36&#44;7&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">38 &#40;63&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">45 &#40;39&#44;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">68 &#40;60&#44;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Edad gestacional &#40;semanas&#41; Me &#40;IQR&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">238 &#40;232&#44;25-240&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">236 &#40;231&#44;5-241&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Peso al nacer &#40;gr&#41; Media &#40;IC 95&#37;&#41; &#91;DS&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;961&#44;03 &#40;1874-2048&#44;07&#41; &#91;336&#44;91&#93;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;871&#44;02 &#40;1&#46;793&#44;55-1&#46;948&#44;48&#41; &#91;415&#44;61&#93;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Hermanos &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">21 &#40;35&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25 &#40;22&#44;1&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Padres fumadores &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25 &#40;41&#44;7&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">41 &#40;36&#44;3&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Maduraci&#243;n pulmonar&#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">53 &#40;88&#44;3&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">103 &#40;91&#44;2&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">48 &#40;90&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">5 &#40;9&#44;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">83 &#40;80&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">20 &#40;19&#44;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Agente tensioactivo &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;6&#44;7&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">15 &#40;13&#44;3&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n mec&#225;nica los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;3&#44;3&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;6&#44;2&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n no invasiva los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18 &#40;30&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">47 &#40;41&#44;6&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Displasia broncopulmonar &#40;&#37;&#41;</span></td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup colgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" colspan="2">0</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;0&#44;9&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Leve &#40;&#37;&#41; 1 &#40;100&#41;</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Oxigenoterapia domiciliaria &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;0&#44;9&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "leyenda" => "<p id="sp0025" class="elsevierStyleSimplePara elsevierViewall">Me &#40;IQR&#41;&#58; mediana y rango intercuart&#237;lico &#40;p25-p75&#41;&#46;</p>"
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="8" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Controles &#40;n &#61; 165&#41;</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Bronquiolitis Si &#40;n &#61; 49&#41;</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Bronquiolitis No &#40;n &#61; 116&#41;</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"></th></tr><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Sexo &#40;&#37;&#41;</span></th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Hombre</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Hombre</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">23 &#40;46&#44;9&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">26 &#40;53&#44;1&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">43 &#40;37&#44;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">73 &#40;62&#44;9&#41;</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Edad gestacional &#40;semanas&#41; Me &#40;IQR&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">216&#44;0 &#40;200&#44;5-241&#44;5&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">220&#44;5 &#40;207&#44;5-240&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Peso al nacer &#40;gr&#41; Me &#40;IQR&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;305&#44;0 &#40;1&#46;012&#44;5-2&#46;080&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;530 &#40;1&#46;171&#44;25-2&#46;077&#44;5&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Hermanos &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">27 &#40;55&#44;1&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">36 &#40;31&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">P &#61; 0&#44;004&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Padres fumadores &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">17 &#40;34&#44;6&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">35 &#40;30&#44;2&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Maduraci&#243;n pulmonar &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">35 &#40;71&#44;4&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">83 &#40;71&#44;6&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">30 &#40;85&#44;7&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">5 &#40;14&#44;2&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">59 &#40;71&#44;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">24 &#40;28&#44;9&#41;</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Agente tensioactivo &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">23 &#40;46&#44;9&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">42 &#40;36&#44;2&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n mec&#225;nica los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18 &#40;36&#44;7&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31 &#40;26&#44;8&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n no invasiva los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">33 &#40;67&#44;3&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">87 &#40;75&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">DBP &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">20 &#40;40&#44;8&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">31 &#40;26&#44;7&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Leve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Moderada&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Grave&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Leve&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Moderada&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Grave&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">p &#61; 0&#44;004</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">11 &#40;55&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">7 &#40;35&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">2 &#40;10&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">7 &#40;22&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">24 &#40;77&#44;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Oxigenoterapia domiciliaria &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10 &#40;20&#44;4&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8 &#40;6&#44;9&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">p &#61; 0&#44;011&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Cardiopat&#237;a &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">19 &#40;38&#44;7&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="3" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45 &#40;38&#44;8&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "es" => "<p id="sp0020" class="elsevierStyleSimplePara elsevierViewall">Relaci&#243;n entre las caracter&#237;sticas de la muestra y la presencia de bronquiolitis en el grupo &#171;controles&#187;</p>"
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        "identificador" => "t0015"
        "etiqueta" => "Tabla 3"
        "tipo" => "MULTIMEDIATABLA"
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            "identificador" => "al0015"
            "detalle" => "Tabla "
            "rol" => "short"
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        "tabla" => array:2 [
          "leyenda" => "<p id="sp0035" class="elsevierStyleSimplePara elsevierViewall">Me &#40;IQR&#41;&#58; mediana y rango intercuart&#237;lico &#40;p25-p75&#41;&#46;</p><p id="sp0040" class="elsevierStyleSimplePara elsevierViewall">Media &#40;IC 95&#37;&#41; &#91;DS&#93;&#58; media&#44; intervalo de confianza y desviaci&#243;n est&#225;ndar&#46;</p>"
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              "tabla" => array:1 [
                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="6" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Casos &#40;n &#61; 173&#41;</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">VRS positivo &#40;n &#61; 9&#41;</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">VRS negativo &#40;n &#61; 16&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Sexo &#40;&#37;&#41;</span></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Hombre&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Hombre&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">3 &#40;33&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">6 &#40;66&#44;7&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">7 &#40;43&#44;7&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">9 &#40;56&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Edad gestacional &#40;d&#237;as&#41; Media &#40;IC 95&#37;&#41; &#91;DS&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">234&#44;56 &#40;230&#44;91-238&#44;20&#41; &#91;4&#44;74&#93;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">238&#44;50 &#40;236&#44;25-240&#44;75&#41; &#91;4&#44;22&#93;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Peso al nacer &#40;gramos&#41; Media &#40;IC 95&#37;&#41; &#91;DS&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;985&#44;00 &#40;985&#44;96-2&#46;401&#44;19&#41; &#91;367&#44;54&#93;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;003&#44;44 &#40;1&#46;345&#44;53-1&#46;998&#44;59&#41; &#91;330&#44;16&#93;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Hermanos &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;44&#44;4&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;43&#44;8&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Padres fumadores &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6 &#40;66&#44;6&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;43&#44;7&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Maduraci&#243;n pulmonar &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">8 &#40;88&#44;8&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">15 &#40;93&#44;75&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">7 &#40;87&#44;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">1 &#40;12&#44;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">15 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Agente tensioactivo&#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;11&#44;1&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n mec&#225;nica los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;2&#44;4&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n no invasiva los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3 &#40;33&#44;3&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;12&#44;5&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Displasia broncopulmonar</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Oxigenoterapia domiciliaria &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "es" => "<p id="sp0030" class="elsevierStyleSimplePara elsevierViewall">Relaci&#243;n entre las caracter&#237;sticas de la muestra y la presencia de VRS en el grupo &#171;casos&#187;</p>"
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          "leyenda" => "<p id="sp0050" class="elsevierStyleSimplePara elsevierViewall">Me &#40;IQR&#41;&#58; mediana y rango intercuart&#237;lico &#40;p25-p75&#41;&#46;</p><p id="sp0055" class="elsevierStyleSimplePara elsevierViewall">Media &#40;IC 95&#37;&#41; &#91;DS&#93;&#58; media&#44; intervalo de confianza y desviaci&#243;n est&#225;ndar&#46;</p>"
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                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="6" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Controles &#40;n &#61; 165&#41;</th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">VRS positivo &#40;n &#61; 7&#41;</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">VRS negativo &#40;n &#61; 24&#41;</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Sexo &#40;&#37;&#41;</span></th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Hombre&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Mujer&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Hombre&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td-with-role" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black"></th></tr><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">4 &#40;57&#44;1&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">3 &#40;43&#44;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">10 &#40;58&#44;8&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">7 &#40;41&#44;2&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Edad gestacional &#40;d&#237;as totales&#41; Media &#40;IC 95&#37;&#41; &#91;DS&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">228&#44;86 &#40;196&#44;21-261&#44;51&#41; &#91;35&#44;30&#93;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">225&#44;00 &#40;209&#44;66-240&#44;34&#41; &#91;29&#44;83&#93;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Peso al nacer &#40;gramos&#41; Media &#40;IC 95&#37;&#41; &#91;DS&#93;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;693&#44;57 &#40;1&#46;095-2&#46;262&#41; &#91;765&#44;11&#93;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;672&#44;06 &#40;845-1&#46;420&#41; &#91;635&#44;08&#93;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Hermanos &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5 &#40;71&#44;4&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12 &#40;50&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Padres fumadores &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;28&#44;5&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5 &#40;29&#44;4&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Maduraci&#243;n pulmonar &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">4 &#40;64&#44;9&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">11 &#40;81&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Completa&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Incompleta&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowgroup " rowspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">4 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">11 &#40;100&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Agente tensioactivo &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;28&#44;5&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8 &#40;47&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n mec&#225;nica los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3 &#40;42&#44;8&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5 &#40;29&#44;4&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Ventilaci&#243;n no invasiva los primeros d&#237;as de vida &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">20 &#40;54&#44;1&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">17 &#40;81&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleItalic">Displasia broncopulmonar &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">3 &#40;42&#44;8&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">6 &#40;35&#44;2&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Leve &#40;&#37;&#41; 3 &#40;100&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">Leve &#40;&#37;&#41; 3 &#40;50&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Oxigenoterapia domiciliaria &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;28&#44;5&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2 &#40;11&#44;7&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Cardiopat&#237;a &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;57&#44;1&#41;</td><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_colgroup " colspan="2" align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4 &#40;23&#44;5&#41;</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">No significativo&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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              "imagenFichero" => array:1 [
                0 => "xTab3458530.png"
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        "descripcion" => array:1 [
          "es" => "<p id="sp0045" class="elsevierStyleSimplePara elsevierViewall">Relaci&#243;n entre las caracter&#237;sticas de la muestra y la presencia de VRS en el grupo &#171;controles&#187;</p>"
        ]
      ]
    ]
    "bibliografia" => array:2 [
      "titulo" => "Bibliograf&#237;a"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bs0005"
          "bibliografiaReferencia" => array:15 [
            0 => array:3 [
              "identificador" => "bb0005"
              "etiqueta" => "1"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Bronquiolitis aguda viral"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "M&#46;L&#46; Garc&#237;a Garc&#237;a"
                            1 => "J&#46; Korta Murua"
                            2 => "A&#46; Callej&#243;n Callej&#243;n"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:5 [
                        "tituloSerie" => "Protoc diagn ter pediatr"
                        "fecha" => "2017"
                        "volumen" => "1"
                        "paginaInicial" => "85"
                        "paginaFinal" => "102"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            1 => array:3 [
              "identificador" => "bb0010"
              "etiqueta" => "2"
              "referencia" => array:1 [
                0 => array:1 [
                  "referenciaCompleta" => "Instituto de Salud Carlos III&#44; Vigilancia centinela de Infecci&#243;n Respiratoria Aguda en Atenci&#243;n Primaria &#40;IRAs&#41; y en Hospitales &#40;IRAG&#41; en Espa&#241;a&#46; Gripe&#44; COVID-19 y otros virus respiratorios&#44; 2023 Semana 30&#47;2023&#46; N&#176; 142&#46; Del 24 al 30 de julio de 2023 &#91;consultado 23 Ago 2023&#93;&#46; Disponible en&#58; <a target="_blank" href="https://www.isciii.es/QueHacemos/Servicios/VigilanciaSaludPublicaRENAVE/EnfermedadesTransmisibles/Documents/GRIPE/Informes%20semanales/Temporada_2022-23/Informe%20semanal_SiVIRA_302023.pdf">https&#58;&#47;&#47;www&#46;isciii&#46;es&#47;QueHacemos&#47;Servicios&#47;VigilanciaSaludPublicaRENAVE&#47;EnfermedadesTransmisibles&#47;Documents&#47;GRIPE&#47;Informes&#37;20semanales&#47;Temporada&#95;2022-23&#47;Informe&#37;20semanal&#95;SiVIRA&#95;302023&#46;pdf</a>"
                ]
              ]
            ]
            2 => array:3 [
              "identificador" => "bb0015"
              "etiqueta" => "3"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Revised indications for the use of palivizumab and respiratory syncytial virus immune globulin intravenous for the prevention of respiratory syncytial virus infections"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "H&#46;C&#46; Meissner"
                            1 => "S&#46;S&#46; Long"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:2 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Pediatrics"
                        "fecha" => "2003"
                        "volumen" => "112"
                        "numero" => "6"
                        "paginaInicial" => "1147"
                        "paginaFinal" => "1452"
                      ]
                    ]
                    1 => array:1 [
                      "WWW" => array:1 [
                        "link" => "https&#58;&#47;&#47;pubmed&#46;ncbi&#46;nlm&#46;nih&#46;gov&#47;14654627"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            3 => array:3 [
              "identificador" => "bb0020"
              "etiqueta" => "4"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Monoclonal antibody for reducing the risk of respiratory syncytial virus infection in children"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:6 [
                            0 => "T&#46; Andabaka"
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Información del artículo
ISSN: 15769887
Idioma original: Español
DOI:10.1016/j.vacun.2023.10.007
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