Use of the Hospital Anxiety and Depression Scale (HADS) in a Cardiac Emergency Room – Chest Pain Unit

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Soares-Filho, Rafael C. Freire, Karla Biancha, Ticiana Pacheco, André Volschan, Alexandre M. Valença, Antonio E. Nardi" "autores" => array:7 [ 0 => array:4 [ "nombre" => "Gastão L.F." "apellidos" => "Soares-Filho" "email" => array:1 [ 0 => "galufo@gmail.com" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "I" "identificador" => "afI" ] 1 => array:2 [ "etiqueta" => "II" "identificador" => "afII" ] ] ] 1 => array:3 [ "nombre" => "Rafael C." "apellidos" => "Freire" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "II" "identificador" => "afII" ] ] ] 2 => array:3 [ "nombre" => "Karla" "apellidos" => "Biancha" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "III" "identificador" => "afIII" ] ] ] 3 => array:3 [ "nombre" => "Ticiana" "apellidos" => "Pacheco" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "III" "identificador" => "afIII" ] ] ] 4 => array:3 [ "nombre" => "André" "apellidos" => "Volschan" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "III" "identificador" => "afIII" ] ] ] 5 => array:3 [ "nombre" => "Alexandre M." "apellidos" => "Valença" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "II" "identificador" => "afII" ] ] ] 6 => array:3 [ "nombre" => "Antonio E." "apellidos" => "Nardi" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "II" "identificador" => "afII" ] ] ] ] "afiliaciones" => array:3 [ 0 => array:3 [ "entidad" => "Consultation-Liaison Psychiatry, Hospital Pró-Cardíaco - Rio de Janeiro/RJ, Brazil" "etiqueta" => "I" "identificador" => "afI" ] 1 => array:3 [ "entidad" => "Institute of Psychiatry of the Federal University of Rio de Janeiro (IPUB), Panic & Respiration Laboratory - Rio de Janeiro/RJ, Brazil" "etiqueta" => "II" "identificador" => "afII" ] 2 => array:3 [ "entidad" => "Emergency Department, Hospital Pró-Cardíaco - Rio de Janeiro/RJ, Brazil, Tel.: 55 21 2528.1442" "etiqueta" => "III" "identificador" => "afIII" ] ] ] ] "textoCompleto" => "INTRODUCTIONPatients who arrive at the emergency room complaining of chest pain (CP) may present symptoms associated with psychiatric disorders, including anxiety and depression.<a class="elsevierStyleCrossRef" href="#bib1">1</a> Upon assessing patients who presented atypical CP, Wulsin et al.<a class="elsevierStyleCrossRef" href="#bib2">2</a> found that the two most common diagnoses included mood disorders and anxiety. A review study<a class="elsevierStyleCrossRef" href="#bib3">3</a> demonstrated that 30.1% of patients complaining of chest pain who arrived at the emergency room (ER) were diagnosed with a panic disorder (PD), of which 22.4% exhibited PD with no coronary artery disease (CAD). Patients with anxiety and depression disorders who were not diagnosed as such and thus were not appropriately treated had a tendency to complain of chronic symptoms and to regularly seek medical attention. In analyzing ER patients with atypical pain, Demiryoguran et al.<a class="elsevierStyleCrossRef" href="#bib4">4</a> observed a high probability of anxiety in 31.2% of these patients. In this group, 78.3% of the patients reported having previously received care in the ER for the same symptoms. Additional studies have demonstrated the excessive use of medical resources by certain of these patients<a class="elsevierStyleCrossRef" href="#bib5">5</a> who were characterized as having high anxiety and depression scores and low quality of life indices.<a class="elsevierStyleCrossRef" href="#bib6">6</a> The objective of the study described herein is to use a self-reporting measure to estimate the prevalence of anxiety and depression in patients admitted to chest pain units.METHODSAmong the several instruments designed for psychiatric diagnoses, the Hospital Anxiety and Depression Scale (HADS) distinguishes itself from all other scales due to its ability to assess anxiety and depression without investigating somatic symptoms. HADS is often used to analyze a variety of diseases in the clinical setting.<a class="elsevierStyleCrossRef" href="#bib7">7</a> This method was developed in 1983 and consists of a series of 14 questions, 7 of which are related to anxiety (HAD-A) while the other 7 questions are related to depression (HAD-D). The creators<a class="elsevierStyleCrossRef" href="#bib8">8</a> of the scale considered a score of less than 8 to indicate the lack of any mental disorder, a score equal to or greater than 8 to indicate that a disorder was “probably” present, while a score above 10 was considered to indicate that a patient was “highly likely” to have a disorder. Validation of the Portuguese version,<a class="elsevierStyleCrossRef" href="#bib9">9</a> using the 8 to 9 transition as a cut-off point for each subscale demonstrated a 93.7% sensitivity for HAD-A and a 84.6% sensitivity for HAD-D in addition to a 72.6% specificity for HAD-A and a 90.3% specificity for HAD-D. The HADS has been used to help diagnose patients suffering from chest pain,<a class="elsevierStyleCrossRef" href="#bib10">10</a>,<a class="elsevierStyleCrossRef" href="#bib11">11</a> atypical chest pain<a class="elsevierStyleCrossRef" href="#bib12">12</a> and heart disease.<a class="elsevierStyleCrossRef" href="#bib13">13</a> It has also been validated in non-cardiac patients complaining of chest pain.<a class="elsevierStyleCrossRef" href="#bib14">14</a>The HADS was administered to chest pain (CP) patients admitted to the Chest Pain Unit (CPU) of a private hospital in Rio de Janeiro from May to August 2006. According to the unit stratification protocol, patients were referred to different acute coronary syndrome (ACS) investigation tracks according to the intensity of chest pain presented on arrival, classified as “definite angina” (Type A), “probable angina” (Type B), “probable non-angina” (Type C) and “definite non-angina” (Type D). Subsequently, the cardiac markers of patients were characterized. Upon admission and every 3 h thereafter, the serum creatine kinase-MB (CKMB) mass levels were measured in addition to the levels of serum troponin-I, which were analyzed upon admission and at 9 h post-admission. In addition, an 18-lead electrocardiogram was acquired upon admission and a 12-lead version was reacquired every 3 h thereafter. Moreover, we recorded a two-dimensional echocardiogram for most patients. In cases where no myocardial necrosis or rest ischemia was detected, a stress test using either a treadmill electrocardiogram or a single-photon emission computed tomographic myocardial scintigraphy was subsequently performed.We excluded patients with severe clinical conditions, severe respiratory failure, hemodynamic instability and neurological conditions with cognitive involvement. In addition, patients were excluded if diagnosed with dementia, delirium or any psychiatric disorder that causes changes in awareness or in formal thought processes.The HADS was administered by a nurse or physician who was on call at the CPU after patients had signed an informed consent form, during the waiting time between a blood test and its results or before a diagnostic procedure. If a patient presented a limitation in completing the HADS, such as difficulty reading, the health professional would offer assistance. The health professionals encouraged the patients to choose answers based on symptoms they had experienced during the previous week and asked them to provide spontaneous answers without excessive reflection.The cut-off value used in this study was 8 for “probable” anxiety or depression. Every patient who presented a score greater than or equal to 8 in the “anxiety” or “depression” subscores of the HADS was referred to a psychiatrist at the hospital. When the diagnosis was subsequently confirmed, a specific treatment regimen was initiated in the CPU.The current study was approved by the Ethics Committee consistent with the terms of the Helsinki Declaration. A bidirectional model was used for statistical analysis with a 5% level of statistical significance. SPSS for Windows version 13.0 was used for all analyses.RESULTSA total of 167 questionnaires were administered in this study and 37 potential recruits were excluded for a variety of reasons, including mistakes in filling the questionnaire, refusal to participate, transfer to another institution or inconclusive results. The 130 patients studied included both men (58.5%) and women (41.5%) between the ages of 31 to 87 years with a mean age of 61.2 ± 12.1 years. The most frequent types of reported chest pain were Type B (38.5%) and Type C (49.2%) while Type A and Type D were reported significantly less frequently (10.8% and 1.5% of the cases, respectively). Overall, we observed higher than expected anxiety and depression scores upon administering the HADS method, as indicated by the mean scores of 7.33 ± 4.36 and 4.78 ±3.92, respectively. A consistent predominance of probable anxiety cases was also observed - 44.6% of all cases were scored greater than or equal to 8, while 27.7% of the cases were determined to be likely depression sufferers with scores greater than or equal to 8. Of the 130 patients studied, 43 patients (33.1%) had acute coronary syndrome (ACS). In the latter group, a likely diagnosis of anxiety or depression was recorded in 34.8% and 27.9% of all cases, respectively. Interestingly, of all of the patients who reported symptoms of stratified chest pain, 87 (66.9%) were not diagnosed with acute coronary syndrome (NACS). In this group of 87 NACS patients, 16 (18.4%) patients were diagnosed with a non-coronary cause of chest pain, such as that resulting from pleuritis or pneumonia. However, in 71 of the NACS patients (54.6%), no cause for the chest pain was discovered prior to discharge from the CPU after investigating and dismissing clinical conditions that evolve with a greater risk of morbidity and mortality (<a class="elsevierStyleCrossRef" href="#tbl1">Table 1</a>). Thus we divide the population of 130 patients studied herein into two groups. The first group is composed of 59 patients (45.4%) who were diagnosed as having chest pain of a determined cause (PDC) while the second group of 71 patients (54.6%) were diagnosed as having chest pain of an indetermined cause (PIC).<elsevierMultimedia ident="tbl1"></elsevierMultimedia>The PDC group was composed of 43 ACS cases (72.9%) and 16 NACS cases (27.1%) under the given clinical diagnoses. Among the clinically diagnosed NACS cases, 10.2% of the cases were characterized as coronary artery disease (CAD) not acute, 5% were patients who had been diagnosed with anxiety and 3.4% suffered from pleuritic pain. Other diagnoses included pneumonia, costochondritis, lymphatic fistula, exogenous intoxication and tonsillitis, each of which had an incidence of 1.7%. The mean age of this group, which consisted of 64.4% men and 35.6% women, was 60.4 ± 13.6 years. Type A pain, Type B pain, Type C pain and Type D pain was reported in 23.7%, 42.4%, 32.2% and 1.7% of the cases, respectively. The mean anxiety score as assessed by the HADS method for this group was 6.29 ± 3.96 points while the depression score was 4.86 ± 4.07 points. Thus, 33.9% of the patients were characterized as likely suffering from anxiety while 30.5% of the cases were characterized as likely suffering from depression.The aforementioned PIC group, which also consisted of several NACS cases with no clinical diagnosis, was composed of 53.5% men and 46.5% women with a mean age of 61.9 ± 12.8 years,. In this group, there were no reports of definite angina-related chest pain (Type A pain). The most common pain classification was type C, which was reported in 63.4% of the cases, followed by Type B pain (35.2%) and Type D pain (1.4%). In this group, the mean anxiety score was 8.20 ± 4.50 points and the mean depression score was 4.70 ± 3.82 points. Overall, 53.5% of the patients were characterized as likely suffering from anxiety while 25.4% were characterized as likely suffering from depression.In comparing the data gleaned from the PDC and PIC groups (<a class="elsevierStyleCrossRef" href="#tbl2">Table 2</a>), our statistical analysis indicates similarities between the demographic data but differences regarding the types of pain and the identified HADS scores. There was no statistically significant difference in terms of the mean age of the patients in the two groups (p = 0.768). In regard to gender, while there was a greater proportion of women in the PIC group, this difference did not achieve statistical significance (p = 0.210). Interestingly, the PDC group was composed of a significantly higher percentage of patients reporting Type A and Type B pain as compared with the PIC group, which was shown to have a higher percentage of patients reporting Type C pain (chi-square = 23.656; 3 df; p< 0.001). In addition, the mean anxiety scores were significantly higher in the PIC group (p = 0.011), however, this statistically significant difference was not observed for the mean depression scores (p = 0.819). Using the HADS value of 8 as a cut-off point, we observed a significantly higher incidence of anxiety in the PIC group (chi-square = 5.021, 1 df, p = 0.025) while the prevalence of depression was similar between the two groups (chi-square = 0.428, 1 df, p = 0.513).<elsevierMultimedia ident="tbl2"></elsevierMultimedia>DISCUSSIONOur key result is the observation that among people who go to an emergency room (ER) complaining of chest pain, which was equivalent to 54.6% (71/130) of the patients in our study, patients belonging to the PIC group would have been discharged with a diagnosis of “no acute coronary syndrome or any other high risk disease” if the HADS method had not been administered. Among those cases, 53.5% were diagnosed as patients with a probable anxiety disorder while 25.3% were diagnosed as patients probably suffering from depression. With regard to the presence of anxiety, in comparison with the PDC group, the mean anxiety score was higher in the PIC group. A higher incidence of anxiety was also found in this group using a HADS cut-off point of eight.Despite the known limitation of this scale as a diagnostic method for research<a class="elsevierStyleCrossRef" href="#bib15">15</a> the application of this very simple test allowed for a significant improvement in the quality of care administered in the ER. Early diagnosis of anxiety or depression disorders ultimately decreased the frequency of ER visits, as well as the cost of treating these patients.<a class="elsevierStyleCrossRef" href="#bib16">16</a> On the other hand, the fact that patients are aware that their chest pain is “not due to a heart disease” has very little impact on the evolution of anxiety disorders. Clinical investigations<a class="elsevierStyleCrossRef" href="#bib17">17</a> even after coronary angiography<a class="elsevierStyleCrossRef" href="#bib18">18</a> are generally unable to prevent new episodes of non-coronary chest pain.Although a structured interview was not used to confirm the psychiatric diagnoses, in all at-risk cases the mental health care department was contacted and when indicated, the necessary treatment was administered in the CPU. In daily clinical practice, this scale was shown to be useful. A study among hospitalized cardiac patients<a class="elsevierStyleCrossRef" href="#bib19">19</a> found that identifying patients at risk for depression did not require a formal diagnostic tool, but could be achieved using the HADS. Moreover, the sensitivity and specificity of HADS have are already been well established.<a class="elsevierStyleCrossRef" href="#bib20">20</a> A review of 747 studies using the HADS<a class="elsevierStyleCrossRef" href="#bib21">21</a> demonstrated a sufficient ability to assess the symptomatic severity and caseness of anxiety disorders and depression in somatic patients, psychiatric patients, primary care patients and in the general population. However, using the HADS provides higher estimates of depression incidence than the estimates obtained using a diagnostic test such as the PRIME-MD.<a class="elsevierStyleCrossRef" href="#bib22">22</a>Without a screening tool, the ability of ER staff to diagnose anxiety and depression is very limited. In regard to the NACS patients from the PDC group with clinical cause, we note that only 5% of the patients were diagnosed with anxiety. This observation is consistent with observations reported by other authors.<a class="elsevierStyleCrossRefs" href="#bib23">23–25</a> In a study involving ER patients who had reported chest pain, Fleet et al.<a class="elsevierStyleCrossRef" href="#bib23">23</a> noticed that PD was identified in only 2% of the 108 cases examined. In a separate study,<a class="elsevierStyleCrossRef" href="#bib24">24</a> the diagnosis of a psychiatric disorder was made in only 1 out of 30 patients, demonstrating failure in 97% of cases. Using a self-reporting measure such as the HADS, it was possible to classify 33.9% of the patients from the PDC group as likely anxiety sufferers and 30.5% of patients from this group as probable depression cases. In addition, after observing patients during the first week following acute myocardial infarct, Martin et al.<a class="elsevierStyleCrossRef" href="#bib25">25</a> observed a HADS score greater than 8 for HAD-A questions and for HAD-D questions in 30.4% and 15.2% of the cases studied, respectively. The hazardous impact of anxiety and depression on the development of CAD,<a class="elsevierStyleCrossRefs" href="#bib26">26–29</a> the effects on the prognosis of the psychiatric disease itself,<a class="elsevierStyleCrossRef" href="#bib30">30</a> and the excessive use of medical resources<a class="elsevierStyleCrossRef" href="#bib31">31</a> have been well established in the literature. Recently it was demonstrated that anxiety and depression predict more problematic adverse cardiac events in patients with stable CAD.<a class="elsevierStyleCrossRef" href="#bib32">32</a> Given the elevated rate of morbidity and mortality associated with depression among cardiac patients,<a class="elsevierStyleCrossRef" href="#bib33">33</a> the HADS may serve as a useful tool in identifying at-risk patients.<a class="elsevierStyleCrossRef" href="#bib19">19</a>CONCLUSIONSA significant proportion of patients complaining of symptoms indicative of chest pain who were admitted to the emergency department at our facility had a diagnosable psychiatric illness. The HADS method is an easily applied screening method that can be incorporated into daily clinical practice at the ER to allow for the early diagnosis of anxiety and depression disorders in chest pain patients." "textoCompletoSecciones" => array:1 [ "secciones" => array:7 [ 0 => array:2 [ "identificador" => "xpalclavsec1584959" "titulo" => "KEYWORDS" ] 1 => array:2 [ "identificador" => "cesec10" "titulo" => "INTRODUCTION" ] 2 => array:2 [ "identificador" => "cesec20" "titulo" => "METHODS" ] 3 => array:2 [ "identificador" => "cesec30" "titulo" => "RESULTS" ] 4 => array:2 [ "identificador" => "cesec40" "titulo" => "DISCUSSION" ] 5 => array:2 [ "identificador" => "cesec50" "titulo" => "CONCLUSIONS" ] 6 => array:1 [ "titulo" => "REFERENCES" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2008-09-15" "fechaAceptado" => "2008-12-03" "PalabrasClave" => array:1 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "KEYWORDS" "identificador" => "xpalclavsec1584959" "palabras" => array:5 [ 0 => "Emergency Room" 1 => "Anxiety" 2 => "Depression" 3 => "Chest Pain" 4 => "Coronary Artery Disease" ] ] ] ] "tieneResumen" => true "resumen" => array:1 [ "en" => array:2 [ "resumen" => "OBJECTIVETo determine the prevalence of anxiety and depression in patients complaining of chest pain who seek a chest pain unit attendance. INTRODUCTIONPatients arriving at a Chest Pain Unit may present psychiatric disorders not identified, isolated or co-morbid to the main illness, which may interfere in the patient prognosis. METHODOLOGYPatients were assessed by the “Hospital Anxiety and Depression Scale” as a screening instrument wile following a systematized protocol to rule out the diagnosis of acute coronary syndrome and other potentially fatal diseases. Patients with 8 or more points in the scale were considered “probable case” of anxiety or depression. RESULTSAccording to the protocol, 59 (45.4%) of 130 patients studied presented Chest Pain of Determined Cause, and 71 (54.6%) presented Chest Pain of Indefinite Cause. In the former group, in which 43 (33.1%) had acute coronary syndrome, 33.9% were probable anxiety cases and 30.5% depression cases. In the second group, formed by patients without acute coronary syndrome or any clinical conditions involving greater morbidity and mortality risk, 53.5% were probable anxiety cases and 25.4% depression. CONCLUSIONThe high anxiety and depression prevalence observed may indicate the need for early and specialized approach to these disorders. When coronary arterial disease is present, this may decrease complications and shorten hospital stay. When psychiatric disorder appears isolated, is possible to reduce unnecessary repeated visits to emergency room and increase patient’s quality of life." "secciones" => array:5 [ 0 => array:2 [ "identificador" => "ceabs10" "titulo" => "OBJECTIVE" ] 1 => array:2 [ "identificador" => "ceabs20" "titulo" => "INTRODUCTION" ] 2 => array:2 [ "identificador" => "ceabs30" "titulo" => "METHODOLOGY" ] 3 => array:2 [ "identificador" => "ceabs40" "titulo" => "RESULTS" ] 4 => array:2 [ "identificador" => "ceabs50" "titulo" => "CONCLUSION" ] ] ] ] "multimedia" => array:2 [ 0 => array:7 [ "identificador" => "tbl1" "etiqueta" => "Table 1" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:1 [ "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="" 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"> \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/n \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">SD/% \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 " colspan="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Age</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">61.2 \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">13.2 \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">Gender \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">M \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">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">58.5% \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">Pain type \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">A \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">14 \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">10.8% \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="" 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">B \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 \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">38.5% \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="" 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">C \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">64 \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">49.2% \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="" 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">D \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 \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">1.5% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Non Acute Coronary Syndrome</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">87 \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">66.9% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Acute Coronary Syndrome</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">43 \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">33.1% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chest Pain of Indeterminate Cause</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 \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">54.6% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chest Pain of Determined Cause</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 \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">45.4% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">HADS-A</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">7.33 \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">4.36 \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">HADS-D</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">4.78 \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">3.92 \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Anxiety</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 \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">44.6% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Depression</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">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">27.7% \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] ] ] ] "descripcion" => array:1 [ "en" => "Demographic and clinical characteristics" ] ] 1 => array:7 [ "identificador" => "tbl2" "etiqueta" => "Table 2" "tipo" => "MULTIMEDIATABLA" "mostrarFloat" => true "mostrarDisplay" => false "tabla" => array:2 [ "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="" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black"> \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" style="border-bottom: 2px solid black"> \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 " colspan="2" align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">PIC</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " colspan="2" align="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">PDC</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"> \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col">Mean/n \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">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">Mean/n \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">SD/% \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 " colspan="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Age</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">61.9 \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">12.8 \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">60.4 \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">13.6 \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">Gender \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">F \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">33 \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">46.5% \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">21 \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">35.6% \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="" 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">M \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">38 \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">53.5% \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">38 \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">64.4% \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">Pain type<a class="elsevierStyleCrossRef" href="#tfn1">(a)</a> \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">A \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 \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% \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">14 \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">23.7% \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="" 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">B \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 \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">35.2% \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 \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">42.4% \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="" 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">C \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 \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">63.4% \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 \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">32.2% \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="" 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">D \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">1 \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">1.4% \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">1 \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">1.7% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">HADS-A<a class="elsevierStyleCrossRef" href="#tfn2">(b)</a></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">8.20 \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">4.50 \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">6.29 \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">3.96 \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">HADS-D</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">4.70 \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">3.82 \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">4.86 \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="center" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4.07 \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Anxiety<a class="elsevierStyleCrossRef" href="#tfn3">(c)</a></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">38 \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">53.5% \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">20 \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">33.9% \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="2" align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Depression</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 \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">25.4% \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 \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">30.5% \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] ] ] "notaPie" => array:3 [ 0 => array:3 [ "identificador" => "tfn1" "etiqueta" => "(a)" "nota" => "chi-square: 23.656, 3 df, p < 0.001;" ] 1 => array:3 [ "identificador" => "tfn2" "etiqueta" => "(b)" "nota" => "t test p <0.011;" ] 2 => array:3 [ "identificador" => "tfn3" "etiqueta" => "(c)" "nota" => "chi-square: 5.021, 1 df, p: 0.025." ] ] ] "descripcion" => array:1 [ "en" => "Chest Pain of Indeterminate Cause and Chest Pain of Determined Cause - Group comparisons" ] ] ] "bibliografia" => array:2 [ "titulo" => "REFERENCES" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "cebibsec10" "bibliografiaReferencia" => array:33 [ 0 => array:3 [ "identificador" => "bib1" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Estimated prevalence of panic disorder and depression among consecutive patients seen in an emergency department with acute chest pain" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => """ KW Yingling \n \t\t\t\t\t\t\t\t """ 1 => """ LR Wulsin \n \t\t\t\t\t\t\t\t """ 2 => """ LM Arnold \n \t\t\t\t\t\t\t\t """ 3 => """ GW Rouan \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1007/BF02600087" "Revista" => array:6 [ "tituloSerie" => "J Gen Intern Med" "fecha" => "1993" "volumen" => "8" "paginaInicial" => "231" "paginaFinal" => "235" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/8505680" "web" => "Medline" ] ] ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib2" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Axis I disorders in ER patients with atypical chest pain" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:3 [ 0 => """ LR Wulsin \n \t\t\t\t\t\t\t\t """ 1 => """ LM Arnold \n \t\t\t\t\t\t\t\t """ 2 => """ JR Hillard \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.2190/HFQ4-J41N-6M1E-MBN3" "Revista" => array:6 [ "tituloSerie" => "Int J Psychiatry Med" "fecha" => "1991" "volumen" => "21" "paginaInicial" => "37" "paginaFinal" => "46" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/2066256" "web" => "Medline" ] ] ] ] ] ] ] ] 2 => array:3 [ "identificador" => "bib3" "etiqueta" => "3" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Panic in the emergency room" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:2 [ 0 => """ P Lynch \n \t\t\t\t\t\t\t\t """ 1 => """ KM Galbraith \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1177/070674370304800601" "Revista" => array:6 [ "tituloSerie" => "Can J Psychiatry" "fecha" => "2003" "volumen" => "48" "paginaInicial" => "361" "paginaFinal" => "366" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/12894609" "web" => "Medline" ] ] ] ] ] ] ] ] 3 => array:3 [ "identificador" => "bib4" "etiqueta" => "4" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Anxiety disorder in patients with non-specific chest pain in the emergency setting" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => """ NS Demiryoguran \n \t\t\t\t\t\t\t\t """ 1 => """ O Karcioglu \n \t\t\t\t\t\t\t\t """ 2 => """ H Topacoglu \n \t\t\t\t\t\t\t\t """ 3 => """ S Kiyan \n \t\t\t\t\t\t\t\t """ 4 => """ D Ozbay \n \t\t\t\t\t\t\t\t """ 5 => """ E Onur \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1136/emj.2005.025163" "Revista" => array:6 [ "tituloSerie" => "Emerg Med J" "fecha" => "2006" "volumen" => "23" "paginaInicial" => "99" "paginaFinal" => "102" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/16439735" "web" => "Medline" ] ] ] ] ] ] ] ] 4 => array:3 [ "identificador" => "bib5" "etiqueta" => "5" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Economic burden of not recognizing panic disorder in the emergency department" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:3 [ 0 => """ KC Coley \n \t\t\t\t\t\t\t\t """ 1 => """ MI Saul \n \t\t\t\t\t\t\t\t """ 2 => """ AL Seybert \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:5 [ "tituloSerie" => "J Emerg Med" "fecha" => "2009" "volumen" => "36" "paginaInicial" => "13" "paginaFinal" => "17" ] ] ] ] ] ] 5 => array:3 [ "identificador" => "bib6" "etiqueta" => "6" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "A Long-Term Follow-Up Study of Chest Pain Patients: Effect of Panic Disorder on Mortality, Morbidity, and Quality of Life" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:5 [ 0 => """ CB Bringager \n \t\t\t\t\t\t\t\t """ 1 => """ H Arnesen \n \t\t\t\t\t\t\t\t """ 2 => """ S Friis \n \t\t\t\t\t\t\t\t """ 3 => """ T Husebye \n \t\t\t\t\t\t\t\t """ 4 => """ T Dammen \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1007/s00395-014-0458-1" "Revista" => array:6 [ "tituloSerie" => "Cardiology" "fecha" => "2007" "volumen" => "110" "paginaInicial" => "8" "paginaFinal" => "14" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/25604439" "web" => "Medline" ] ] ] ] ] ] ] ] 6 => array:3 [ "identificador" => "bib7" "etiqueta" => "7" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "International experiences with the Hospital Anxiety and Depression Scale–a review of validation data and clinical results" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => """ C Herrmann \n \t\t\t\t\t\t\t\t """ ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" 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Clinical Sciences

Gastão L.F. Soares-FilhoI,II, Rafael C. FreireII, Karla BianchaIII, Ticiana PachecoIII, André VolschanIII, Alexandre M. ValençaII, Antonio E. NardiII

I Consultation-Liaison Psychiatry, Hospital Pró-Cardíaco - Rio de Janeiro/RJ, Brazil

II Institute of Psychiatry of the Federal University of Rio de Janeiro (IPUB), Panic & Respiration Laboratory - Rio de Janeiro/RJ, Brazil

III Emergency Department, Hospital Pró-Cardíaco - Rio de Janeiro/RJ, Brazil, Tel.: 55 21 2528.1442

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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="cesec10" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle70">INTRODUCTION</span><p id="para10" class="elsevierStylePara elsevierViewall">Patients who arrive at the emergency room complaining of chest pain &#40;CP&#41; may present symptoms associated with psychiatric disorders&#44; including anxiety and depression&#46;<a class="elsevierStyleCrossRef" href="#bib1">1</a> Upon assessing patients who presented atypical CP&#44; Wulsin et al&#46;<a class="elsevierStyleCrossRef" href="#bib2">2</a> found that the two most common diagnoses included mood disorders and anxiety&#46; A review study<a class="elsevierStyleCrossRef" href="#bib3">3</a> demonstrated that 30&#46;1&#37; of patients complaining of chest pain who arrived at the emergency room &#40;ER&#41; were diagnosed with a panic disorder &#40;PD&#41;&#44; of which 22&#46;4&#37; exhibited PD with no coronary artery disease &#40;CAD&#41;&#46; Patients with anxiety and depression disorders who were not diagnosed as such and thus were not appropriately treated had a tendency to complain of chronic symptoms and to regularly seek medical attention&#46; In analyzing ER patients with atypical pain&#44; Demiryoguran et al&#46;<a class="elsevierStyleCrossRef" href="#bib4">4</a> observed a high probability of anxiety in 31&#46;2&#37; of these patients&#46; In this group&#44; 78&#46;3&#37; of the patients reported having previously received care in the ER for the same symptoms&#46; Additional studies have demonstrated the excessive use of medical resources by certain of these patients<a class="elsevierStyleCrossRef" href="#bib5">5</a> who were characterized as having high anxiety and depression scores and low quality of life indices&#46;<a class="elsevierStyleCrossRef" href="#bib6">6</a> The objective of the study described herein is to use a self-reporting measure to estimate the prevalence of anxiety and depression in patients admitted to chest pain units&#46;</p></span><span id="cesec20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle80">METHODS</span><p id="para20" class="elsevierStylePara elsevierViewall">Among the several instruments designed for psychiatric diagnoses&#44; the Hospital Anxiety and Depression Scale &#40;HADS&#41; distinguishes itself from all other scales due to its ability to assess anxiety and depression without investigating somatic symptoms&#46; HADS is often used to analyze a variety of diseases in the clinical setting&#46;<a class="elsevierStyleCrossRef" href="#bib7">7</a> This method was developed in 1983 and consists of a series of 14 questions&#44; 7 of which are related to anxiety &#40;HAD-A&#41; while the other 7 questions are related to depression &#40;HAD-D&#41;&#46; The creators<a class="elsevierStyleCrossRef" href="#bib8">8</a> of the scale considered a score of less than 8 to indicate the lack of any mental disorder&#44; a score equal to or greater than 8 to indicate that a disorder was &#8220;probably&#8221; present&#44; while a score above 10 was considered to indicate that a patient was &#8220;highly likely&#8221; to have a disorder&#46; Validation of the Portuguese version&#44;<a class="elsevierStyleCrossRef" href="#bib9">9</a> using the 8 to 9 transition as a cut-off point for each subscale demonstrated a 93&#46;7&#37; sensitivity for HAD-A and a 84&#46;6&#37; sensitivity for HAD-D in addition to a 72&#46;6&#37; specificity for HAD-A and a 90&#46;3&#37; specificity for HAD-D&#46; The HADS has been used to help diagnose patients suffering from chest pain&#44;<a class="elsevierStyleCrossRef" href="#bib10">10</a>&#44;<a class="elsevierStyleCrossRef" href="#bib11">11</a> atypical chest pain<a class="elsevierStyleCrossRef" href="#bib12">12</a> and heart disease&#46;<a class="elsevierStyleCrossRef" href="#bib13">13</a> It has also been validated in non-cardiac patients complaining of chest pain&#46;<a class="elsevierStyleCrossRef" href="#bib14">14</a></p><p id="para30" class="elsevierStylePara elsevierViewall">The HADS was administered to chest pain &#40;CP&#41; patients admitted to the Chest Pain Unit &#40;CPU&#41; of a private hospital in Rio de Janeiro from May to August 2006&#46; According to the unit stratification protocol&#44; patients were referred to different acute coronary syndrome &#40;ACS&#41; investigation tracks according to the intensity of chest pain presented on arrival&#44; classified as &#8220;definite angina&#8221; &#40;Type A&#41;&#44; &#8220;probable angina&#8221; &#40;Type B&#41;&#44; &#8220;probable non-angina&#8221; &#40;Type C&#41; and &#8220;definite non-angina&#8221; &#40;Type D&#41;&#46; Subsequently&#44; the cardiac markers of patients were characterized&#46; Upon admission and every 3 h thereafter&#44; the serum creatine kinase-MB &#40;CKMB&#41; mass levels were measured in addition to the levels of serum troponin-I&#44; which were analyzed upon admission and at 9 h post-admission&#46; In addition&#44; an 18-lead electrocardiogram was acquired upon admission and a 12-lead version was reacquired every 3 h thereafter&#46; Moreover&#44; we recorded a two-dimensional echocardiogram for most patients&#46; In cases where no myocardial necrosis or rest ischemia was detected&#44; a stress test using either a treadmill electrocardiogram or a single-photon emission computed tomographic myocardial scintigraphy was subsequently performed&#46;</p><p id="para40" class="elsevierStylePara elsevierViewall">We excluded patients with severe clinical conditions&#44; severe respiratory failure&#44; hemodynamic instability and neurological conditions with cognitive involvement&#46; In addition&#44; patients were excluded if diagnosed with dementia&#44; delirium or any psychiatric disorder that causes changes in awareness or in formal thought processes&#46;</p><p id="para50" class="elsevierStylePara elsevierViewall">The HADS was administered by a nurse or physician who was on call at the CPU after patients had signed an informed consent form&#44; during the waiting time between a blood test and its results or before a diagnostic procedure&#46; If a patient presented a limitation in completing the HADS&#44; such as difficulty reading&#44; the health professional would offer assistance&#46; The health professionals encouraged the patients to choose answers based on symptoms they had experienced during the previous week and asked them to provide spontaneous answers without excessive reflection&#46;</p><p id="para60" class="elsevierStylePara elsevierViewall">The cut-off value used in this study was 8 for &#8220;probable&#8221; anxiety or depression&#46; Every patient who presented a score greater than or equal to 8 in the &#8220;anxiety&#8221; or &#8220;depression&#8221; subscores of the HADS was referred to a psychiatrist at the hospital&#46; When the diagnosis was subsequently confirmed&#44; a specific treatment regimen was initiated in the CPU&#46;</p><p id="para70" class="elsevierStylePara elsevierViewall">The current study was approved by the Ethics Committee consistent with the terms of the Helsinki Declaration&#46; A bidirectional model was used for statistical analysis with a 5&#37; level of statistical significance&#46; SPSS for Windows version 13&#46;0 was used for all analyses&#46;</p></span><span id="cesec30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle90">RESULTS</span><p id="para80" class="elsevierStylePara elsevierViewall">A total of 167 questionnaires were administered in this study and 37 potential recruits were excluded for a variety of reasons&#44; including mistakes in filling the questionnaire&#44; refusal to participate&#44; transfer to another institution or inconclusive results&#46; The 130 patients studied included both men &#40;58&#46;5&#37;&#41; and women &#40;41&#46;5&#37;&#41; between the ages of 31 to 87 years with a mean age of 61&#46;2 &#177; 12&#46;1 years&#46; The most frequent types of reported chest pain were Type B &#40;38&#46;5&#37;&#41; and Type C &#40;49&#46;2&#37;&#41; while Type A and Type D were reported significantly less frequently &#40;10&#46;8&#37; and 1&#46;5&#37; of the cases&#44; respectively&#41;&#46; Overall&#44; we observed higher than expected anxiety and depression scores upon administering the HADS method&#44; as indicated by the mean scores of 7&#46;33 &#177; 4&#46;36 and 4&#46;78 &#177;3&#46;92&#44; respectively&#46; A consistent predominance of probable anxiety cases was also observed - 44&#46;6&#37; of all cases were scored greater than or equal to 8&#44; while 27&#46;7&#37; of the cases were determined to be likely depression sufferers with scores greater than or equal to 8&#46; Of the 130 patients studied&#44; 43 patients &#40;33&#46;1&#37;&#41; had acute coronary syndrome &#40;ACS&#41;&#46; In the latter group&#44; a likely diagnosis of anxiety or depression was recorded in 34&#46;8&#37; and 27&#46;9&#37; of all cases&#44; respectively&#46; Interestingly&#44; of all of the patients who reported symptoms of stratified chest pain&#44; 87 &#40;66&#46;9&#37;&#41; were not diagnosed with acute coronary syndrome &#40;NACS&#41;&#46; In this group of 87 NACS patients&#44; 16 &#40;18&#46;4&#37;&#41; patients were diagnosed with a non-coronary cause of chest pain&#44; such as that resulting from pleuritis or pneumonia&#46; However&#44; in 71 of the NACS patients &#40;54&#46;6&#37;&#41;&#44; no cause for the chest pain was discovered prior to discharge from the CPU after investigating and dismissing clinical conditions that evolve with a greater risk of morbidity and mortality &#40;<a class="elsevierStyleCrossRef" href="#tbl1">Table 1</a>&#41;&#46; Thus we divide the population of 130 patients studied herein into two groups&#46; The first group is composed of 59 patients &#40;45&#46;4&#37;&#41; who were diagnosed as having chest pain of a determined cause &#40;PDC&#41; while the second group of 71 patients &#40;54&#46;6&#37;&#41; were diagnosed as having chest pain of an indetermined cause &#40;PIC&#41;&#46;</p><elsevierMultimedia ident="tbl1"></elsevierMultimedia><p id="para90" class="elsevierStylePara elsevierViewall">The PDC group was composed of 43 ACS cases &#40;72&#46;9&#37;&#41; and 16 NACS cases &#40;27&#46;1&#37;&#41; under the given clinical diagnoses&#46; Among the clinically diagnosed NACS cases&#44; 10&#46;2&#37; of the cases were characterized as coronary artery disease &#40;CAD&#41; not acute&#44; 5&#37; were patients who had been diagnosed with anxiety and 3&#46;4&#37; suffered from pleuritic pain&#46; Other diagnoses included pneumonia&#44; costochondritis&#44; lymphatic fistula&#44; exogenous intoxication and tonsillitis&#44; each of which had an incidence of 1&#46;7&#37;&#46; The mean age of this group&#44; which consisted of 64&#46;4&#37; men and 35&#46;6&#37; women&#44; was 60&#46;4 &#177; 13&#46;6 years&#46; Type A pain&#44; Type B pain&#44; Type C pain and Type D pain was reported in 23&#46;7&#37;&#44; 42&#46;4&#37;&#44; 32&#46;2&#37; and 1&#46;7&#37; of the cases&#44; respectively&#46; The mean anxiety score as assessed by the HADS method for this group was 6&#46;29 &#177; 3&#46;96 points while the depression score was 4&#46;86 &#177; 4&#46;07 points&#46; Thus&#44; 33&#46;9&#37; of the patients were characterized as likely suffering from anxiety while 30&#46;5&#37; of the cases were characterized as likely suffering from depression&#46;</p><p id="para100" class="elsevierStylePara elsevierViewall">The aforementioned PIC group&#44; which also consisted of several NACS cases with no clinical diagnosis&#44; was composed of 53&#46;5&#37; men and 46&#46;5&#37; women with a mean age of 61&#46;9 &#177; 12&#46;8 years&#44;&#46; In this group&#44; there were no reports of definite angina-related chest pain &#40;Type A pain&#41;&#46; The most common pain classification was type C&#44; which was reported in 63&#46;4&#37; of the cases&#44; followed by Type B pain &#40;35&#46;2&#37;&#41; and Type D pain &#40;1&#46;4&#37;&#41;&#46; In this group&#44; the mean anxiety score was 8&#46;20 &#177; 4&#46;50 points and the mean depression score was 4&#46;70 &#177; 3&#46;82 points&#46; Overall&#44; 53&#46;5&#37; of the patients were characterized as likely suffering from anxiety while 25&#46;4&#37; were characterized as likely suffering from depression&#46;</p><p id="para110" class="elsevierStylePara elsevierViewall">In comparing the data gleaned from the PDC and PIC groups &#40;<a class="elsevierStyleCrossRef" href="#tbl2">Table 2</a>&#41;&#44; our statistical analysis indicates similarities between the demographic data but differences regarding the types of pain and the identified HADS scores&#46; There was no statistically significant difference in terms of the mean age of the patients in the two groups &#40;p &#61; 0&#46;768&#41;&#46; In regard to gender&#44; while there was a greater proportion of women in the PIC group&#44; this difference did not achieve statistical significance &#40;p &#61; 0&#46;210&#41;&#46; Interestingly&#44; the PDC group was composed of a significantly higher percentage of patients reporting Type A and Type B pain as compared with the PIC group&#44; which was shown to have a higher percentage of patients reporting Type C pain &#40;chi-square &#61; 23&#46;656&#59; 3 df&#59; p&#60; 0&#46;001&#41;&#46; In addition&#44; the mean anxiety scores were significantly higher in the PIC group &#40;p &#61; 0&#46;011&#41;&#44; however&#44; this statistically significant difference was not observed for the mean depression scores &#40;p &#61; 0&#46;819&#41;&#46; Using the HADS value of 8 as a cut-off point&#44; we observed a significantly higher incidence of anxiety in the PIC group &#40;chi-square &#61; 5&#46;021&#44; 1 df&#44; p &#61; 0&#46;025&#41; while the prevalence of depression was similar between the two groups &#40;chi-square &#61; 0&#46;428&#44; 1 df&#44; p &#61; 0&#46;513&#41;&#46;</p><elsevierMultimedia ident="tbl2"></elsevierMultimedia></span><span id="cesec40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle100">DISCUSSION</span><p id="para120" class="elsevierStylePara elsevierViewall">Our key result is the observation that among people who go to an emergency room &#40;ER&#41; complaining of chest pain&#44; which was equivalent to 54&#46;6&#37; &#40;71&#47;130&#41; of the patients in our study&#44; patients belonging to the PIC group would have been discharged with a diagnosis of &#8220;no acute coronary syndrome or any other high risk disease&#8221; if the HADS method had not been administered&#46; Among those cases&#44; 53&#46;5&#37; were diagnosed as patients with a probable anxiety disorder while 25&#46;3&#37; were diagnosed as patients probably suffering from depression&#46; With regard to the presence of anxiety&#44; in comparison with the PDC group&#44; the mean anxiety score was higher in the PIC group&#46; A higher incidence of anxiety was also found in this group using a HADS cut-off point of eight&#46;</p><p id="para130" class="elsevierStylePara elsevierViewall">Despite the known limitation of this scale as a diagnostic method for research<a class="elsevierStyleCrossRef" href="#bib15">15</a> the application of this very simple test allowed for a significant improvement in the quality of care administered in the ER&#46; Early diagnosis of anxiety or depression disorders ultimately decreased the frequency of ER visits&#44; as well as the cost of treating these patients&#46;<a class="elsevierStyleCrossRef" href="#bib16">16</a> On the other hand&#44; the fact that patients are aware that their chest pain is &#8220;not due to a heart disease&#8221; has very little impact on the evolution of anxiety disorders&#46; Clinical investigations<a class="elsevierStyleCrossRef" href="#bib17">17</a> even after coronary angiography<a class="elsevierStyleCrossRef" href="#bib18">18</a> are generally unable to prevent new episodes of non-coronary chest pain&#46;</p><p id="para140" class="elsevierStylePara elsevierViewall">Although a structured interview was not used to confirm the psychiatric diagnoses&#44; in all at-risk cases the mental health care department was contacted and when indicated&#44; the necessary treatment was administered in the CPU&#46; In daily clinical practice&#44; this scale was shown to be useful&#46; A study among hospitalized cardiac patients<a class="elsevierStyleCrossRef" href="#bib19">19</a> found that identifying patients at risk for depression did not require a formal diagnostic tool&#44; but could be achieved using the HADS&#46; Moreover&#44; the sensitivity and specificity of HADS have are already been well established&#46;<a class="elsevierStyleCrossRef" href="#bib20">20</a> A review of 747 studies using the HADS<a class="elsevierStyleCrossRef" href="#bib21">21</a> demonstrated a sufficient ability to assess the symptomatic severity and caseness of anxiety disorders and depression in somatic patients&#44; psychiatric patients&#44; primary care patients and in the general population&#46; However&#44; using the HADS provides higher estimates of depression incidence than the estimates obtained using a diagnostic test such as the PRIME-MD&#46;<a class="elsevierStyleCrossRef" href="#bib22">22</a></p><p id="para150" class="elsevierStylePara elsevierViewall">Without a screening tool&#44; the ability of ER staff to diagnose anxiety and depression is very limited&#46; In regard to the NACS patients from the PDC group with clinical cause&#44; we note that only 5&#37; of the patients were diagnosed with anxiety&#46; This observation is consistent with observations reported by other authors&#46;<a class="elsevierStyleCrossRefs" href="#bib23">23&#8211;25</a> In a study involving ER patients who had reported chest pain&#44; Fleet et al&#46;<a class="elsevierStyleCrossRef" href="#bib23">23</a> noticed that PD was identified in only 2&#37; of the 108 cases examined&#46; In a separate study&#44;<a class="elsevierStyleCrossRef" href="#bib24">24</a> the diagnosis of a psychiatric disorder was made in only 1 out of 30 patients&#44; demonstrating failure in 97&#37; of cases&#46; Using a self-reporting measure such as the HADS&#44; it was possible to classify 33&#46;9&#37; of the patients from the PDC group as likely anxiety sufferers and 30&#46;5&#37; of patients from this group as probable depression cases&#46; In addition&#44; after observing patients during the first week following acute myocardial infarct&#44; Martin et al&#46;<a class="elsevierStyleCrossRef" href="#bib25">25</a> observed a HADS score greater than 8 for HAD-A questions and for HAD-D questions in 30&#46;4&#37; and 15&#46;2&#37; of the cases studied&#44; respectively&#46; The hazardous impact of anxiety and depression on the development of CAD&#44;<a class="elsevierStyleCrossRefs" href="#bib26">26&#8211;29</a> the effects on the prognosis of the psychiatric disease itself&#44;<a class="elsevierStyleCrossRef" href="#bib30">30</a> and the excessive use of medical resources<a class="elsevierStyleCrossRef" href="#bib31">31</a> have been well established in the literature&#46; Recently it was demonstrated that anxiety and depression predict more problematic adverse cardiac events in patients with stable CAD&#46;<a class="elsevierStyleCrossRef" href="#bib32">32</a> Given the elevated rate of morbidity and mortality associated with depression among cardiac patients&#44;<a class="elsevierStyleCrossRef" href="#bib33">33</a> the HADS may serve as a useful tool in identifying at-risk patients&#46;<a class="elsevierStyleCrossRef" href="#bib19">19</a></p></span><span id="cesec50" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle110">CONCLUSIONS</span><p id="para160" class="elsevierStylePara elsevierViewall">A significant proportion of patients complaining of symptoms indicative of chest pain who were admitted to the emergency department at our facility had a diagnosable psychiatric illness&#46; The HADS method is an easily applied screening method that can be incorporated into daily clinical practice at the ER to allow for the early diagnosis of anxiety and depression disorders in chest pain patients&#46;</p></span></span>"
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            1 => "Anxiety"
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        "resumen" => "<span id="ceabs10" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle10">OBJECTIVE</span><p id="spara30" class="elsevierStyleSimplePara elsevierViewall">To determine the prevalence of anxiety and depression in patients complaining of chest pain who seek a chest pain unit attendance&#46;</p></span> <span id="ceabs20" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle20">INTRODUCTION</span><p id="spara40" class="elsevierStyleSimplePara elsevierViewall">Patients arriving at a Chest Pain Unit may present psychiatric disorders not identified&#44; isolated or co-morbid to the main illness&#44; which may interfere in the patient prognosis&#46;</p></span> <span id="ceabs30" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle30">METHODOLOGY</span><p id="spara50" class="elsevierStyleSimplePara elsevierViewall">Patients were assessed by the &#8220;Hospital Anxiety and Depression Scale&#8221; as a screening instrument wile following a systematized protocol to rule out the diagnosis of acute coronary syndrome and other potentially fatal diseases&#46; Patients with 8 or more points in the scale were considered &#8220;probable case&#8221; of anxiety or depression&#46;</p></span> <span id="ceabs40" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle40">RESULTS</span><p id="spara60" class="elsevierStyleSimplePara elsevierViewall">According to the protocol&#44; 59 &#40;45&#46;4&#37;&#41; of 130 patients studied presented Chest Pain of Determined Cause&#44; and 71 &#40;54&#46;6&#37;&#41; presented Chest Pain of Indefinite Cause&#46; In the former group&#44; in which 43 &#40;33&#46;1&#37;&#41; had acute coronary syndrome&#44; 33&#46;9&#37; were probable anxiety cases and 30&#46;5&#37; depression cases&#46; In the second group&#44; formed by patients without acute coronary syndrome or any clinical conditions involving greater morbidity and mortality risk&#44; 53&#46;5&#37; were probable anxiety cases and 25&#46;4&#37; depression&#46;</p></span> <span id="ceabs50" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cestitle50">CONCLUSION</span><p id="spara70" class="elsevierStyleSimplePara elsevierViewall">The high anxiety and depression prevalence observed may indicate the need for early and specialized approach to these disorders&#46; When coronary arterial disease is present&#44; this may decrease complications and shorten hospital stay&#46; When psychiatric disorder appears isolated&#44; is possible to reduce unnecessary repeated visits to emergency room and increase patient&#8217;s quality of life&#46;</p></span>"
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                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pain type&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">A&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&#46;8&#37;&nbsp;\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="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">B&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">50&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">38&#46;5&#37;&nbsp;\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="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">C&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">64&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">49&#46;2&#37;&nbsp;\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="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">D&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;5&#37;&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Non Acute Coronary Syndrome</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">87&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">66&#46;9&#37;&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Acute Coronary Syndrome</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">43&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">33&#46;1&#37;&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Chest Pain of Indeterminate Cause</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&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">54&#46;6&#37;&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Chest Pain of Determined Cause</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&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&#46;4&#37;&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">HADS-A</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">7&#46;33&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&#46;36&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">HADS-D</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">4&#46;78&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;92&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Anxiety</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&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">44&#46;6&#37;&nbsp;\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="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Depression</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">36&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">27&#46;7&#37;&nbsp;\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">Demographic and clinical characteristics</p>"
        ]
      ]
      1 => array:7 [
        "identificador" => "tbl2"
        "etiqueta" => "Table 2"
        "tipo" => "MULTIMEDIATABLA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "tabla" => array:2 [
          "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="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&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  " colspan="2" align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">PIC</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " colspan="2" align="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">PDC</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" 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">&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Mean&#47;n&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">SD&#47;&#37;&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">Mean&#47;n&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col">SD&#47;&#37;&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" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Age</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">61&#46;9&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&#46;8&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">60&#46;4&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&#46;6&nbsp;\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">Gender&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">F&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">33&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">46&#46;5&#37;&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">21&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">35&#46;6&#37;&nbsp;\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="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">M&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">38&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">53&#46;5&#37;&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">38&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">64&#46;4&#37;&nbsp;\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">Pain type<a class="elsevierStyleCrossRef" href="#tfn1">&#40;a&#41;</a>&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">A&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#37;&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&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="center" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">23&#46;7&#37;&nbsp;\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="" valign="\n
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                  \t\t\t\t  " align="center" valign="\n
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                  \t\t\t\t  " align="center" valign="\n
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                  \t\t\t\t">C&nbsp;\t\t\t\t\t\t\n
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                              LR Wulsin \n
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                              LM Arnold \n
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                              GW Rouan \n
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                              LR Wulsin \n
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                              LM Arnold \n
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                              JR Hillard \n
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                              P Lynch \n
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                              NS Demiryoguran \n
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                              O Karcioglu \n
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                              C Herrmann \n
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Article information

ISSN: 18075932
Original language: English

DOI:10.1590/S1807-59322009000300011

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