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=> array:3 [ "nombre" => "Bruna Varanda" "apellidos" => "Pessoa" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">I</span>" "identificador" => "afI-cln_64p983" ] ] ] 4 => array:3 [ "nombre" => "Mauricio" "apellidos" => "Jamami" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">I</span>" "identificador" => "afI-cln_64p983" ] ] ] 5 => array:4 [ "nombre" => "Dirceu" "apellidos" => "Costa" "email" => array:1 [ 0 => "eloregueiro@yahoo.com.br" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">I</span>" "identificador" => "afI-cln_64p983" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">II</span>" "identificador" => "afII-cln_64p983" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Federal University of São Carlos, UFSCar - São Carlos/ SP, Brazil" "etiqueta" => "I" "identificador" => "afI-cln_64p983" ] 1 => array:3 [ "entidad" => "UNINOVE - São Paulo/ SP, Brazil., Tel: 55 16 3351.8343" "etiqueta" => "II" "identificador" => "afII-cln_64p983" ] ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><span id="cesec10" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle60">INTRODUCTION</span><p id="para10" class="elsevierStylePara elsevierViewall">Chronic Obstructive Pulmonary Disease (COPD) is characterized by ventilatory, metabolic, and peripheral muscle limitation, dyspnea<a class="elsevierStyleCrossRefs" href="#bib1">1,2</a> and reduced exercise capacity. These condition decrease functional capacity,<a class="elsevierStyleCrossRef" href="#bib3">3</a> compromising the performance of Activities of Daily Living (ADL) due to a reduction in ventilatory and metabolic reserves.<a class="elsevierStyleCrossRef" href="#bib4">4</a> These limitations may be related to significant weight loss,<a class="elsevierStyleCrossRef" href="#bib5">5</a> respiratory muscle weakness,<a class="elsevierStyleCrossRef" href="#bib6">6</a> reduced strength and endurance of the upper (UL) and lower limbs (LL),<a class="elsevierStyleCrossRef" href="#bib7">7</a> higher mortality, and a worsened overall quality of life. Thus, COPD is considered as a systemic disease, affecting not only the lungs, but also a number of other organs, including the peripheral musculature.</p><p id="para20" class="elsevierStylePara elsevierViewall">The ability to exert physical effort independently influences the survival of these patients, and, due to the seriousness of these changes, the mortality risk for patients with COPD can be assessed by the BODE Index (B - Body mass index; O - airflow Obstruction; D – Dyspnea; and E - Exercise capacity), which is considered the best predictor of survival in these patients.<a class="elsevierStyleCrossRef" href="#bib8">8</a> For the BODE Index, exercise capacity is verified by the distance walked in the Six Minute Walking Test in a hallway (6MWT). Due to the impairments associated with COPD, however, exercise capacity must also be verified by other tests, such as the performance of ADL that require elevation of the UL and LL, the Six Minute Walking Test on a Treadmill (6MWTT),<a class="elsevierStyleCrossRef" href="#bib9">9</a> the Sit-to-Stand Test (STST),<a class="elsevierStyleCrossRef" href="#bib10">10</a> and the Hand Grip Strength Test (HGT),<a class="elsevierStyleCrossRef" href="#bib11">11</a> in order to determine the survival and general state of health of these patients.</p><p id="para30" class="elsevierStylePara elsevierViewall">ADL are defined as tasks that individuals perform on a daily basis, such as dressing, eating, bathing, combing hair, sitting down, and moving from one place to another.<a class="elsevierStyleCrossRef" href="#bib12">12</a> Both the UL and the LL are involved in the most common ADL. The muscles that participate in the positioning of the UL, such as the trapezius, pectoralis minor, scalene, sternocleidomastoid, and intercostals, also perform ventilatory and postural functions.<a class="elsevierStyleCrossRef" href="#bib13">13</a> Therefore, the performance of ADL tests as part of the routine evaluation of patients with respiratory functions is indispensable.</p><p id="para40" class="elsevierStylePara elsevierViewall">The LL tests selected for our study are considered to be good functional evaluation predictors<a class="elsevierStyleCrossRefs" href="#bib14">14,10</a> because they evaluate, even if indirectly, the musculature of the LL, which is debilitated in patients with COPD. Peripheral muscle strength of the hand and UL have been assessed by hand grip strength, which constitutes a relevant indicator in the analysis of the general state of strength in an individual<a class="elsevierStyleCrossRef" href="#bib11">11</a> and is essential for the performance of ADL.</p><p id="para50" class="elsevierStylePara elsevierViewall">No reports have correlated ventilatory and metabolic variables and the muscle strength of the UL to the BODE Index during the performance of ADL and LL and UL tests. Furthermore, no studies have addressed whether or not there is a relationship between the performance of these tests and the BODE Index.</p><p id="para60" class="elsevierStylePara elsevierViewall">The present study aimed to determine whether there is a correlation between the BODE Index and the variables evaluated during ADL assessment, in addition to LL and UL tests such as 6MWTT, STST, and HGT, in patients with COPD. We hypothesized that there would be a correlation between the BODE Index and the ventilatory and metabolic responses during the performance of ADL and LL tests, the variables assessed in LL tests, and muscle strength of the UL.</p></span><span id="cesec20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle70">MATERIALS AND METHODS</span><p id="para70" class="elsevierStylePara elsevierViewall">For the present study, a cross-sectional design and a non-probabilistic method were used. The power was calculated using the standard deviation and the mean difference in the principal variables of the BODE Index described in a previous pilot study.</p><p id="para80" class="elsevierStylePara elsevierViewall">This study was conducted in the Special Respiratory Physiotherapy Unit of the Institution. Initially, 12 men with moderate to very severe obstruction<a class="elsevierStyleCrossRef" href="#bib14">14</a>, aged from 58 to 80 years old, were evaluated.</p><p id="para90" class="elsevierStylePara elsevierViewall">Ten patients completed the evaluations (five with moderate COPD, three with severe COPD, and two with very severe COPD).<a class="elsevierStyleCrossRef" href="#bib14">14</a> Among these patients, ten used a bronchodilator (BD) exclusively and seven used a BD and a prescription corticosteroid.</p><p id="para100" class="elsevierStylePara elsevierViewall">In accordance with the Brazilian National Health Council, ethics approval was obtained from the Ethics Committee of the Institution (n° 46/2007) and all patients provided written informed consent.</p><span id="cesec30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle80">Inclusion and Exclusion Criteria</span><p id="para110" class="elsevierStylePara elsevierViewall">We included males with a clinical diagnosis of COPD confirmed by post-BD spirometry administered by a pneumologist, in accordance with the GOLD criteria, who were classified as having moderate to very severe obstruction.<a class="elsevierStyleCrossRef" href="#bib15">15</a> Moreover, the subjects were clinically stable and had no history of infection and no exacerbation of respiratory symptoms or changes in medication for at least two months before the study. Additionally, the subjects did not present with cardiac, rheumatic, or an associated orthopedic disease that would impede them from performing the proposed evaluation tasks, and all were ex- or non-smokers.</p><p id="para120" class="elsevierStylePara elsevierViewall">Patients were excluded from the study when the type of medication was modified during the study, in cases of uncontrolled arterial hypertension or hypoxemia (peripheral oxygen saturation [SpO<span class="elsevierStyleInf">2</span>]) below 85% at rest), or for refusal to provide written informed consent.</p></span><span id="cesec40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle90">Measurements</span><p id="para130" class="elsevierStylePara elsevierViewall">All patients answered a questionnaire related to their physical activity routine, namely, the Modified Baecke Questionnaire, which includes an evaluation of habitual physical activity in the elderly (MBQ),<a class="elsevierStyleCrossRefs" href="#bib16">16,17</a> given that the majority of patients were elderly (80%).<a class="elsevierStyleCrossRef" href="#bib18">18</a></p><p id="para140" class="elsevierStylePara elsevierViewall">The patients with COPD were sent to the Respiratory Physiotherapy Service at the institution, where they underwent general physical and specific respiratory exams and were informed of the proposed protocols.</p><p id="para150" class="elsevierStylePara elsevierViewall">The complete evaluation was carried out on four separate days: an initial evaluation, administration of the questionnaires, and anthropometric evaluation took place on the first day; the 6MWT and the 6MWTT, with a rest interval of 30 min between them, were administered on the second day; the HGT was given on the third day; and the ADL Test, including the STST, was administered on the fourth day.</p></span><span id="cesec50" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle100">BODE Index</span><p id="para160" class="elsevierStylePara elsevierViewall">The BODE Index Score, which varies from zero to ten, was calculated for each individual by summing the points for each variable: BMI, FEV<span class="elsevierStyleInf">1</span>, dyspnea according to the Medical Research Council Dyspnea Scale (MRC), and distance walked (DW) in the 6MWT. Score classification was divided into quartiles: quartile 1 (Q1), from 0 to 2 points; quartile 2 (Q2), from 3 to 4 points; quartile 3 (Q3), from 5 to 6 points; and quartile 4 (Q4), from 7 to 10 points. A higher BODE index score indicates a greater probability of patient mortality.<a class="elsevierStyleCrossRef" href="#bib8">8</a></p></span><span id="cesec60" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle110">Activities of Daily Living Assessment</span><p id="para170" class="elsevierStylePara elsevierViewall">The activities that involved effort of the UL and LL included brushing teeth, combing hair, taking a shower and drying off, putting on shoes, lifting and lowering containers to a shelf at eye level, lifting and lowering containers to a shelf above the height of the scapula, hanging clothes on a clothesline, and sweeping. These activities were simulated in the same manner as performed at home. The order of the activities was determined randomly during the evaluation, and each individual was asked only to complete the task. The task times were not pre-determined, with the exception of the six-minute duration for sweeping. The container lifting activities were adapted from the methodology of Velloso et al.<a class="elsevierStyleCrossRef" href="#bib4">4</a></p><p id="para180" class="elsevierStylePara elsevierViewall">The interval between each task lasted from three to five minutes or until the variables studied returned to baseline. Variables monitored for each ADL were SpO<span class="elsevierStyleInf">2</span> using a pulse oximeter (Oxypleth® DX2405), heart rate (HR) using a frequency meter (Polar®), and sensation of dyspnea using the Modified Borg Scale - CR10. Blood pressure (BP) was also verified by sphygmomanometer (BD®) and stethoscope (Littmann<span class="elsevierStyleSup">®)</span>. All variables were recorded at rest at the end of each activity and during the interval between activities.</p><p id="para190" class="elsevierStylePara elsevierViewall">The activities were simulated without the collection of gases two days before the beginning of the test in order to eliminate any learning curve effect.</p></span><span id="cesec70" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle120">Six Minute Walking Test in a Hallway and on a Treadmill</span><p id="para200" class="elsevierStylePara elsevierViewall">The 6MWT was conducted in a flat corridor measuring 30 m in length. The patients walked unaccompanied during the test,<a class="elsevierStyleCrossRefs" href="#bib14">14,19,20</a> but were given verbal encouragement at standardized one minute intervals.<a class="elsevierStyleCrossRef" href="#bib19">19</a></p><p id="para210" class="elsevierStylePara elsevierViewall">The 6MWTT was conducted on a treadmill (Inbramed®) at a pre-established velocity in Km/h in accordance with the tolerance of each subject <a class="elsevierStyleCrossRef" href="#bib9">9</a> and with the same standards used for the 6MWT. Two tests were performed on alternate days to eliminate the effect of any learning curve. SpO<span class="elsevierStyleInf">2</span>, HR, sensation of dyspnea, and BP at rest were monitored during both tests.</p></span><span id="cesec80" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle130">Sit-To-Stand Test</span><p id="para220" class="elsevierStylePara elsevierViewall">The Sit-to-Stand Test has been recommended as an alternative to indirectly measure LL strength and is considered as a predictor of severity by Ozalevli et al.<a class="elsevierStyleCrossRef" href="#bib10">10</a> In this study, a chair with a seat height of 46cm and no arm supports was utilized. The patients were instructed to keep their UL at their waist and sit down and get up from the chair while holding their backs straight and feet supported by the floor for a period of two minutes, in accordance with the methodology described by Ozalevli et al.<a class="elsevierStyleCrossRef" href="#bib10">10</a></p><p id="para230" class="elsevierStylePara elsevierViewall">The patients were provided with pre-established verbal encouragement each minute. In addition, measurements were obtained for SpO<span class="elsevierStyleInf">2</span>, HR, sensation of dyspnea, and BP both at rest and during the test.</p></span><span id="cesec90" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle140">Evaluation of UL Muscle Strength</span><p id="para240" class="elsevierStylePara elsevierViewall">Measurement of the isometric muscular force of the UL was obtained from the amount of hand grip strength measured by a Jamar® manual dynamometer in force per kilogram (kgf), which is recommended by the American Society of Hand Therapists (ASHT).<a class="elsevierStyleCrossRef" href="#bib21">21</a> In the protocol utilized, measurements were first obtained for the dominant upper limb, followed by measurements of the non-dominant limb.<a class="elsevierStyleCrossRef" href="#bib22">22</a> The measurements were taken in sitting and standing postures at the following four angles: seated with the arms parallel to the trunk, with the elbow bent at 90° and the forearm and wrist in a neutral position, and in an orthostatic posture with the upper limb positioned by a goniometer at angles of 0°, 90°, and 135°, the same angles used during the ADL evaluation. Five Maximum Voluntary Contractions (MVC) were performed with a rest interval between each of 30 sec.<a class="elsevierStyleCrossRef" href="#bib20">20</a> The mean of the repetitions for each limb was used for statistical analysis based on the reference values described by Mathiowetz et al.<a class="elsevierStyleCrossRef" href="#bib11">11</a>, <a class="elsevierStyleCrossRef" href="#bib22">22</a></p></span><span id="cesec100" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle150">Analysis of Gases</span><p id="para250" class="elsevierStylePara elsevierViewall">Respiratory gas collection was performed during ADL, 6MWTT, and STST using a VO<span class="elsevierStyleInf">2000</span> Metabolic System (MedGraphics®). The system measured micro-samples of the mean of expired gases collected every 20 sec. The data produced were digitalized in real time: <span class="elsevierStyleItalic">V̇</span><span class="elsevierStyleInf">E</span>= volume of air expired in liters per min. expressed in BTPS (Body Temperature, Pressure, Saturated), <span class="elsevierStyleItalic">V̇</span>O<span class="elsevierStyleInf">2</span>= volume of oxygen consumption in liters per min. expressed in STPD (Standard Temperature and Pressure Dry), and <span class="elsevierStyleItalic">V̇</span>CO<span class="elsevierStyleInf">2</span>= carbonic gas consumption in liters per min. expressed in STPD.<a class="elsevierStyleCrossRefs" href="#bib20">20,23</a> A pneumotachometer with bidirectional flow (low flow) was coupled to a face mask. Before the test, the patients remained seated for placement of the mask and adaptation to the system.</p></span><span id="cesec110" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle160">Statistical Analyses</span><p id="para260" class="elsevierStylePara elsevierViewall">The Shapiro Wilk Statistical Test was utilized to verify the normality of the data expressed as the mean ± standard deviation, minimal and maximal values. To evaluate the correlation between variables, the Pearson and Spearman coefficients were utilized for parametric and non-parametric variables respectively. Statistical analyses were performed using SPSS software (release 13.0 for Windows), and the GraphPad StatMate software program was used to calculate the power. p<0.05 was considered as statistically significant.</p></span></span><span id="cesec120" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle170">RESULTS</span><p id="para270" class="elsevierStylePara elsevierViewall">Anthropometric values, pulmonary function characteristics, respiratory frequency values at rest, and MBQ and BODE Index (Total score) values – for which three patients scored in Q1 and seven scored in Q2 – are shown in <a class="elsevierStyleCrossRef" href="#t1-cln_64p983">table 1</a>.</p><elsevierMultimedia ident="t1-cln_64p983"></elsevierMultimedia><p id="para280" class="elsevierStylePara elsevierViewall">The data presented in <a class="elsevierStyleCrossRef" href="#t2-cln_64p983">table 2</a> show that there was no correlation between the BODE Index (Total Score) and the <span class="elsevierStyleItalic">V̇</span><span class="elsevierStyleInf">E</span>, <span class="elsevierStyleItalic">V̇</span>O<span class="elsevierStyleInf">2</span>, and <span class="elsevierStyleItalic">V̇</span>CO<span class="elsevierStyleInf">2</span> variables in the assessment of ADL or the walking speed in the 6MWTT. A negative correlation was found, however, between the BODE Index and the DW in 6MWTT (r = −0.86), the number of repetitions in STST (r = −0.66), the muscle strength for Upper Right Limb (URL) and Upper Left Limb (ULL) in the seated (r = −0.83) and standing 90° (r = −0.76) positions, and the URL in the standing position at 135° (r = −0.76).</p><elsevierMultimedia ident="t2-cln_64p983"></elsevierMultimedia></span><span id="cesec130" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle180">DISCUSSION</span><p id="para290" class="elsevierStylePara elsevierViewall">COPD is a systemic disease in which different factors determine its prognosis such as physical exercise intolerance<a class="elsevierStyleCrossRef" href="#bib24">24</a>–<a class="elsevierStyleCrossRef" href="#bib28">28</a> associated with limitations of the ventilatory system and gas exchange and dysfunction of the peripheral skeletal musculature of the UL and LL.<a class="elsevierStyleCrossRef" href="#bib1">1</a>, <a class="elsevierStyleCrossRef" href="#bib2">2</a></p><p id="para300" class="elsevierStylePara elsevierViewall">In accordance with the reference values described by Mathiowetz et al.,<a class="elsevierStyleCrossRef" href="#bib22">22</a> our patients presented relatively weak UL musculature, differing from the results found by Dourado,<a class="elsevierStyleCrossRef" href="#bib29">29</a> but this assessment did not impede the individuals from performing the ADL tasks. This observation was likely due to the predominant use of the UL in the performance of ADL and the large number of scapular muscles responsible for the elevation of the UL, which concomitantly participate in respiratory movements during forced respiration. The performance of ADL is important for the maintenance of the muscular strength of these limbs<a class="elsevierStyleCrossRefs" href="#bib30">30,31</a> by reducing impairment of the peripheral musculature as a consequence of disuse.</p><p id="para310" class="elsevierStylePara elsevierViewall">With regard to peripheral muscle impairment, some authors state that there is a relationship between low BMI and such impairment, with a consequent reduction of exercise capacity in patients with COPD.<a class="elsevierStyleCrossRef" href="#bib32">32</a>–<a class="elsevierStyleCrossRef" href="#bib34">34</a> This suggests that when an individual presents with a low BMI, it can be due not only to a reduction in muscle mass, but also to nutritional depletion, which results in low energy reserves that limit the execution of activities.<a class="elsevierStyleCrossRef" href="#bib35">35</a> In the present study, however, the patients presented peripheral muscle weakness in the UL, but the majority also had a normal BMI. These results support the idea that BMI may not adequately identify the loss of muscle mass in patients with COPD.<a class="elsevierStyleCrossRefs" href="#bib36">36,37</a> Other factors that may be associated with a weak UL musculature include prolonged use of corticosteroids, which, according to Dourado, cause protein degradation.<a class="elsevierStyleCrossRef" href="#bib38">38</a></p><p id="para320" class="elsevierStylePara elsevierViewall">Muscular limitations that functionally incapacitate the performance of the proposed ADL and the LL tests were not verified.</p><p id="para330" class="elsevierStylePara elsevierViewall">In the current study, the BODE Index for patients with COPD presented a maximum of 4 points in the total score due to impaired pulmonary function and a lower tolerance for physical exercise. This was verified by the values obtained for FEV<span class="elsevierStyleInf">1</span> and DW in the 6MWT and is in agreement with Pitta et al.<a class="elsevierStyleCrossRef" href="#bib39">39</a> and Celli et al.,<a class="elsevierStyleCrossRef" href="#bib8">8</a> who cite the BODE Index as a predictor of disease severity that indirectly evaluates exercise capacity and mortality risk. The score of 4 observed in our COPD population classified them as low mortality risk, in support of our other results presented herein.</p><p id="para340" class="elsevierStylePara elsevierViewall">With regard to the correlations found, the BODE Index was negatively correlated with DW in the 6MWTT, the number of repetitions in STST, and the HGT. These results suggest that a lower BODE Index score indicates greater hand grip strength, greater DW in 6MWTT, and a greater number of repetitions in STST. Having demonstrated a correlation of the predictor of severity with functional performance in both the LL and UL tests as carried out for the performance of ADL by patients with COPD suggests that these tests are also good predictors of the functional assessment when related to the BODE Index, corroborating Ozalevli et al.<a class="elsevierStyleCrossRef" href="#bib10">10</a></p><p id="para350" class="elsevierStylePara elsevierViewall">Results for DW in 6MWT and 6MWTT revealed a strong positive correlation between the tests and both tests displayed a strong positive correlation with HGT, corroborating previous studies.<a class="elsevierStyleCrossRefs" href="#bib14">14,40,41</a> Moreover, while HGT is a direct measurement of peripheral muscle strength in the hand and UL, it was also found to be a predictor of DW in 6MWTC in patients with COPD and in healthy elderly individuals, strengthening the hypothesis that hand grip strength is a good predictor of mortality that may later be integrated into the BODE Index.</p><p id="para360" class="elsevierStylePara elsevierViewall">The results found in this study support the influence of HGT in DW, as previously verified by Dourado et al.<a class="elsevierStyleCrossRef" href="#bib40">40</a> Although we found no correlation with the number of repetitions in STST, corroborating findings by Ozalevli et al.,<a class="elsevierStyleCrossRef" href="#bib10">10</a> the HGT has been considered as a good predictor of the functional status of patients with COPD.</p><p id="para370" class="elsevierStylePara elsevierViewall">It is important to note that the difficulties and limitations encountered in our study were related to the choice of activities evaluated, the execution time of each activity, the predominance of patients with moderate obstruction, and the metabolic system utilized, without a telemetry system, all reflecting the need to review whether the methods employed were the best form of evaluation and suggesting further studies on this topic.</p></span><span id="cesec140" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle190">CONCLUSION</span><p id="para380" class="elsevierStylePara elsevierViewall">In conclusion, this study does not support the hypothesis that there is a correlation between the BODE Index and ventilatory and metabolic responses during the performance of ADL. However, these data do support the hypothesis that there is a correlation between the BODE Index and the variables assessed in the 6MWTT, STST, and HGT in moderate to very severe COPD patients, suggesting their use in a predictive index of physical exercise capacity, perhaps used as a complement to the BODE Index. However, we did not assess whether these results hold true for patients with a mild obstruction.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:7 [ 0 => array:2 [ "identificador" => "xpalclavsec1584974" "titulo" => "KEYWORDS:" ] 1 => array:2 [ "identificador" => "cesec10" "titulo" => "INTRODUCTION" ] 2 => array:3 [ "identificador" => "cesec20" "titulo" => "MATERIALS AND METHODS" "secciones" => array:9 [ 0 => array:2 [ "identificador" => "cesec30" "titulo" => "Inclusion and Exclusion Criteria" ] 1 => array:2 [ "identificador" => "cesec40" "titulo" => "Measurements" ] 2 => array:2 [ "identificador" => "cesec50" "titulo" => "BODE Index" ] 3 => array:2 [ "identificador" => "cesec60" "titulo" => "Activities of Daily Living Assessment" ] 4 => array:2 [ "identificador" => "cesec70" "titulo" => "Six Minute Walking Test in a Hallway and on a Treadmill" ] 5 => array:2 [ "identificador" => "cesec80" "titulo" => "Sit-To-Stand Test" ] 6 => array:2 [ "identificador" => "cesec90" "titulo" => "Evaluation of UL Muscle Strength" ] 7 => array:2 [ "identificador" => "cesec100" "titulo" => "Analysis of Gases" ] 8 => array:2 [ "identificador" => "cesec110" "titulo" => "Statistical Analyses" ] ] ] 3 => array:2 [ "identificador" => "cesec120" "titulo" => "RESULTS" ] 4 => array:2 [ "identificador" => "cesec130" "titulo" => "DISCUSSION" ] 5 => array:2 [ "identificador" => "cesec140" "titulo" => "CONCLUSION" ] 6 => array:1 [ "titulo" => "REFERENCES" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2009-05-07" "fechaAceptado" => "2009-07-20" "PalabrasClave" => array:1 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "KEYWORDS:" "identificador" => "xpalclavsec1584974" "palabras" => array:5 [ 0 => "Respiratory Physiotherapy" 1 => "Activities of Daily Living" 2 => "Six Minute Walk Test" 3 => "Sit-to-Stand Test" 4 => "Hand Grip Strength" ] ] ] ] "tieneResumen" => true "resumen" => array:1 [ "en" => array:2 [ "resumen" => "<span id="ceabs10" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle10">OBJECTIVE</span><p id="spara50" class="elsevierStyleSimplePara elsevierViewall">To determine if there is a correlation between the BODE Index and variables assessed during the Activities of Daily Living assessment, performance on lower limber tests, and peripheral muscle impairment of the upper limb in patients with chronic obstructive pulmonary disease.</p></span> <span id="ceabs20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle20">MATERIALS AND METHODS</span><p id="spara60" class="elsevierStyleSimplePara elsevierViewall">Ten men (aged 58 to 80 years old) with moderate to very severe obstruction were evaluated and classified by the BODE Index. They were evaluated by pulmonary ventilation (<span class="elsevierStyleItalic">V̇</span><span class="elsevierStyleInf">E</span>), oxygen consumption (<span class="elsevierStyleItalic">V̇</span>O<span class="elsevierStyleInf">2</span>), and carbonic gas production (<span class="elsevierStyleItalic">V̇</span>CO<span class="elsevierStyleInf">2</span>) on the ADL assessment; Distance Walking (DW) in the Six Minute Walking Test (6MWT) and the Six Minute Walking Test on Treadmill (6MWTT); number of repetitions in the Sit-to-Stand Test; and the Hand Grip Strength Test. Correlations were evaluated between the classification and the tests performed (Pearson and Spearman test, p<0.05).</p></span> <span id="ceabs30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle30">RESULTS</span><p id="spara70" class="elsevierStyleSimplePara elsevierViewall">The mean of the total score for the BODE Index was 2.80 (±1.03), with three patients scoring in the first quartile (Q1) and seven scoring in the second quartile (Q2). This Index showed a negative correlation with the 6MWTT (r=−0.86), the Sit-to-Stand Test (r=−0.66), and the Hand Grip Strength Test (r=−0.83).</p></span> <span id="ceabs40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle40">CONCLUSIONS</span><p id="spara80" class="elsevierStyleSimplePara elsevierViewall">Our results show that there is no correlation between the BODE Index and the ventilatory and metabolic responses in the Activities of Daily Living assessment. On the other hand, a correlation was observed between the BODE Index and the variables assessed in the 6MWTT, Sit-to-Stand Test, and Hand Grip Strength Test in moderate to very severe Chronic Obstructive Pulmonary Disease patients. This suggests that these tests can be employed as predictors of physical exercise capacity, perhaps as complementary tests to the BODE Index.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "ceabs10" "titulo" => "OBJECTIVE" ] 1 => array:2 [ "identificador" => "ceabs20" "titulo" => "MATERIALS AND METHODS" ] 2 => array:2 [ "identificador" => "ceabs30" "titulo" => "RESULTS" ] 3 => array:2 [ "identificador" => "ceabs40" "titulo" => "CONCLUSIONS" ] ] ] ] "multimedia" => array:2 [ 0 => array:7 [ "identificador" => "t1-cln_64p983" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:2 [ "leyenda" => "<p id="spara20" class="elsevierStyleSimplePara elsevierViewall">SD= Standard Deviation; BMI= Body mass Index; FEV<span class="elsevierStyleInf">1</span>= Forced Expiratory Volume in the First Second; FVC= Forced Vital Capacity; FEV<span class="elsevierStyleInf">1</span>/FVC= FEV<span class="elsevierStyleInf">1</span>/FVC ratio; MVV= Maximum Voluntary Ventilation; RF= Respiratory Frequency; MBQ= Modified Baecke Questionnaire; BODE Index = Body Mass Index, Airflow Obstruction, Dyspnea and Exercise Capacity Index.</p>" "tablatextoimagen" => array:1 [ 0 => array:1 [ "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" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col"><span class="elsevierStyleBold">Variables</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Mean ± SD \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Min-Max Values \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" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">Age (years)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">71.00±7.63 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">58.00 – 80.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">Weight (kg)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">70.67±9.36 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">48.00 – 84.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">Height (m)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">165.80±5.05 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">155.50 – 172.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">BMI (kg/m</span><a class="elsevierStyleCrossRef" href="#bib2">2</a><span class="elsevierStyleBold">)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">25.68±2.76 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">19.98 – 28.58 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">FEV1 (% predicted)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">45.83±14.25 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">24.20 – 67.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">FVC (% predicted)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">77.45±16.11 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">59.64 – 103.20 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">FEV1/FVC (% predicted)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">44.70±11.84 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">28.40 – 65.90 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">MVV (% predicted)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">50.43±17.84 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">18.00 – 71.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">RF at rest (rpm)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">18.00±2.34 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">13.00 – 22.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">MBQ</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">8.06±4.66 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2.11 – 15.45 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black"><span class="elsevierStyleBold">BODE Index (total score)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">2.80±1.03 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" style="border-bottom: 2px solid black">1.00 – 4.00 \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] ] ] ] "descripcion" => array:1 [ "en" => "<p id="spara10" class="elsevierStyleSimplePara elsevierViewall">Anthropometric and Pulmonary Function Characteristics, Modified Baecke Questionnaire, and BODE Index of the patients evaluated</p>" ] ] 1 => array:7 [ "identificador" => "t2-cln_64p983" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:3 [ "leyenda" => "<p id="spara40" class="elsevierStyleSimplePara elsevierViewall">BODE Index = Body Mass Index, Airflow Obstruction, Dyspnea and Exercise Capacity Index; ADL= Activities of Daily Living; <span class="elsevierStyleItalic">V̇</span><span class="elsevierStyleInf">E</span>= Pulmonary Ventilation; <span class="elsevierStyleItalic">V̇</span>O<span class="elsevierStyleInf">2</span>= Oxygen Consumption; <span class="elsevierStyleItalic">V̇</span>CO<span class="elsevierStyleInf">2</span>= Carbon Dioxide Production; 6MWTT= Six-Minute Treadmill Walking Test; TSTS= Sit-To-Stand-Test; HG= Hand Grip; URL= Upper Right Limb; ULL= Upper Left Limb.</p>" "tablatextoimagen" => array:1 [ 0 => array:1 [ "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" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col"> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">r \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">p \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " colspan="3" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col"></th></tr><tr title="table-row"><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Dependent Variable \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col"> \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Independent Variable \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" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t"> \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">BODE Index</span> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">Variables ADL (<span class="elsevierStyleItalic">V̇</span>E, <span class="elsevierStyleItalic">V̇</span>O2, <span class="elsevierStyleItalic">V̇</span>CO2)</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">—- \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">> 0.05 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">Speed 6MWTT</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">—- \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">> 0.05 \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">DW 6MWTT</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.86 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.05<a class="elsevierStyleCrossRef" href="#tfn2-cln_64p983">*</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">Number of Repetitions STST</span> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.66 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.04 <a class="elsevierStyleCrossRef" href="#tfn3-cln_64p983">†</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " colspan="3" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">HG URL</span></td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Sitting \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.83 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.00 <a class="elsevierStyleCrossRef" href="#tfn4-cln_64p983">††</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Standing 90° \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.76 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.02 <a class="elsevierStyleCrossRef" href="#tfn3-cln_64p983">†</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Standing 135° \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.76 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.02 <a class="elsevierStyleCrossRef" href="#tfn3-cln_64p983">†</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " colspan="3" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t"><span class="elsevierStyleBold">HG ULL</span></td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Sitting \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.83 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.00 <a class="elsevierStyleCrossRef" href="#tfn4-cln_64p983">††</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Standing 90° \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">−0.76 \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="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">< 0.02 <a class="elsevierStyleCrossRef" href="#tfn3-cln_64p983">†</a> \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] ] ] "notaPie" => array:3 [ 0 => array:3 [ "identificador" => "tfn2-cln_64p983" "etiqueta" => "*" "nota" => "<p class="elsevierStyleNotepara" id="cenpara10">Pearson: p<0.05. Spearman:</p>" ] 1 => array:3 [ "identificador" => "tfn3-cln_64p983" "etiqueta" => "†" "nota" => "<p class="elsevierStyleNotepara" id="cenpara20">p< 0.05;</p>" ] 2 => array:3 [ "identificador" => "tfn4-cln_64p983" "etiqueta" => "††" "nota" => "<p class="elsevierStyleNotepara" id="cenpara30">p<0.01.</p>" ] ] ] "descripcion" => array:1 [ "en" => "<p id="spara30" class="elsevierStyleSimplePara elsevierViewall">Correlation between the BODE Index and the Variables Studied</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "REFERENCES" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "cebibsec10" "bibliografiaReferencia" => array:41 [ 0 => array:3 [ "identificador" => "bib1" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Effect of reduced body weight on muscle aerobic capacity in patients with COPD" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => """ P Palange \n \t\t\t\t\t\t\t\t """ 1 => """ S Forte \n \t\t\t\t\t\t\t\t """ 2 => """ P Onorati \n \t\t\t\t\t\t\t\t """ 3 => """ V Paravati \n \t\t\t\t\t\t\t\t """ 4 => """ F Manfredi \n \t\t\t\t\t\t\t\t """ 5 => """ P Serra \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1378/chest.114.1.12" "Revista" => array:6 [ "tituloSerie" => "Chest" "fecha" => "1998" "volumen" => "114" "paginaInicial" => "12" "paginaFinal" => "18" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9674441" "web" => "Medline" ] ] ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib2" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Muscle strength, symptom intensity and exercise capacity in patients with cardiorespiratory disorders" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => """ AL Hamilton \n \t\t\t\t\t\t\t\t """ 1 => """ KJ Killian \n \t\t\t\t\t\t\t\t """ 2 => """ E Summers \n 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Mustfa \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1136/thorax.58.8.665" "Revista" => array:6 [ "tituloSerie" => "Thorax" "fecha" => "2003" "volumen" => "58" "paginaInicial" => "665" "paginaFinal" => "669" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/12885979" "web" => "Medline" ] ] ] ] ] ] ] ] 3 => array:3 [ "identificador" => "bib4" "etiqueta" => "4" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Metabolic and ventilatory parameters of four activities of daily living accomplished with arms in COPD" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:5 [ 0 => """ M Velloso \n \t\t\t\t\t\t\t\t """ 1 => """ SG Stella \n \t\t\t\t\t\t\t\t """ 2 => """ S Cendon \n \t\t\t\t\t\t\t\t """ 3 => """ AC Silva \n \t\t\t\t\t\t\t\t """ 4 => """ JR Jardim \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1378/chest.123.4.1047" "Revista" => array:6 [ "tituloSerie" => "Chest" "fecha" => "2003" "volumen" => "123" "paginaInicial" => "1047" "paginaFinal" => "1053" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/12684292" "web" => "Medline" ] ] ] ] ] ] ] ] 4 => array:3 [ "identificador" => "bib5" "etiqueta" => "5" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Nutrition and metabolism in COPD" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => """ EFM Wouters \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:6 [ "tituloSerie" => "Chest" "fecha" => "2000" "volumen" => "117" "numero" => "5 suppl 1" "paginaInicial" => "274" "paginaFinal" => "280" ] ] ] ] ] ] 5 => array:3 [ "identificador" => "bib6" "etiqueta" => "6" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Structure and function of the respiratory muscles in 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