ORIGINAL ARTICLES
Discriminative Properties and Validity of a Health Status Questionnaire in Obstructive Airway Disease Patients: The Airways Questionnaire 20
Aquiles Cameliera,
, Fernanda W. Rosab, Oliver A. Nascimentoc, Ana Luiza G. Fernandesc, Jose R. Jardimc
Corresponding author
aquilescamelier@yahoo.com.br
Correspondence: Dr. A. Camelier. Respiratory Division, Universidade Federal da Bahia. Rua Manoel Andrade, 201; Ap. 401, Pituba Ville. Salvador, Ba. Brazil, ZIP 41810-815
Correspondence: Dr. A. Camelier. Respiratory Division, Universidade Federal da Bahia. Rua Manoel Andrade, 201; Ap. 401, Pituba Ville. Salvador, Ba. Brazil, ZIP 41810-815
a Respiratory Division, Faculdade de Tecnologia e Ciências (FTC), Universidade Federal da Bahia, Salvador, Bahia, Brazil
b Faculdade de Tecnologia e Ciências (FTC), Universidade Católica do Salvador, Universidade Estadual da Bahia (UNEB), Salvador, Bahia, Brazil
c Respiratory Division. Universidade Federal de São Paulo, São Paulo, Brazil
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array:4 [ "autoresLista" => "Aquiles Camelier, Fernanda W. Rosa, Oliver A. Nascimento, Ana Luiza G. Fernandes, Jose R. Jardim" "autores" => array:5 [ 0 => array:4 [ "nombre" => "Aquiles" "apellidos" => "Camelier" "email" => array:1 [ 0 => "aquilescamelier@yahoo.com.br" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff1" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor1" ] ] ] 1 => array:3 [ "nombre" => "Fernanda W." "apellidos" => "Rosa" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff2" ] ] ] 2 => array:3 [ "nombre" => "Oliver A." "apellidos" => "Nascimento" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff3" ] ] ] 3 => array:3 [ "nombre" => "Ana Luiza G." "apellidos" => "Fernandes" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff3" ] ] ] 4 => array:3 [ "nombre" => "Jose R." "apellidos" => "Jardim" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff3" ] ] ] ] "afiliaciones" => array:3 [ 0 => array:3 [ "entidad" => "Respiratory Division, Faculdade de Tecnologia e Ciências (FTC), Universidade Federal da Bahia, Salvador, Bahia, Brazil" "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff1" ] 1 => array:3 [ "entidad" => "Faculdade de Tecnologia e Ciências (FTC), Universidade Católica do Salvador, Universidade Estadual da Bahia (UNEB), Salvador, Bahia, Brazil" "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff2" ] 2 => array:3 [ "entidad" => "Respiratory Division. Universidade Federal de São Paulo, São Paulo, Brazil" "etiqueta" => "<span class="elsevierStyleSup">c</span>" "identificador" => "aff3" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor1" "etiqueta" => "*" "correspondencia" => "Correspondence: Dr. A. Camelier. Respiratory Division, Universidade Federal da Bahia. Rua Manoel Andrade, 201; Ap. 401, Pituba Ville. Salvador, Ba. Brazil, ZIP 41810-815" ] ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2006-03-09" "fechaAceptado" => "2007-03-20" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Key words" "identificador" => "xpalclavsec154705" "palabras" => array:6 [ 0 => "Questionnaires" 1 => "Quality of life" 2 => "Health Status" 3 => "Statistics" 4 => "Dyspnea" 5 => "Chronic obstructive pulmonary disease" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec154706" "palabras" => array:6 [ 0 => "Cuestionarios" 1 => "Calidad de vida" 2 => "Nivel de salud" 3 => "Estadística" 4 => "Disnea" 5 => "EPOC" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:1 [ "resumen" => "<span class="elsevierStyleSectionTitle">OBJECTIVE</span><p class="elsevierStyleSimplePara elsevierViewall">To evaluate the discriminative properties and validity of the Airways Questionnaire 20 (AQ20) in a sample of airway obstructed patients and to compare its properties with those of the St George's Respiratory Questionnaire (SGRQ) and the Short Form 36 (SF-36).</p> <span class="elsevierStyleSectionTitle">PATIENTS AND METHODS</span><p class="elsevierStyleSimplePara elsevierViewall">A convenience sample of 47 subjects was recruited from among 61 consecutive patients referred to an outpatient clinic specialized in airway obstructive diseases. All subjects completed the AQ20, SGRQ, and SF-36. Other measures were the baseline dyspnea index (BDI),6-minute walk test (6MWT) distance, spirometry, results of arterial blood gas analysis, and body mass index.</p> <span class="elsevierStyleSectionTitle">RESULTS</span><p class="elsevierStyleSimplePara elsevierViewall">The AQ20 showed very good correlation with the SGRQ total score (ρ = 0.84, P < .001) and moderate correlation with all SF-36 domains (physical capacity, ρ = −0.53;physical functioning,ρ = −0.61;bodily pain, ρ = −0.55;general health,ρ = −0.59;vitality,ρ = − 0.55;;social functioning,ρ = −0.57; emotional role functioning,ρ = −0.51; mental health,ρ = −0.61;all P < .001).The BDI and the 6MWT were the best predictors of AQ20 score (r<span class="elsevierStyleSup">2</span> = 0.31) in the regression model. An area under the receiver operating characteristic curve of 0.91 (P < .001) indicated a high level of accuracy for the AQ20, using the SGRQ as the gold standard.</p> <span class="elsevierStyleSectionTitle">CONCLUSION</span><p class="elsevierStyleSimplePara elsevierViewall">This study shows that the AQ20 is an accurate health status questionnaire in patients with moderate-to-severe airway obstruction. It could be an alternative to longer, traditional questionnaires such as the SGRQ.</p>" ] "es" => array:1 [ "resumen" => "<span class="elsevierStyleSectionTitle">OBJETIVO</span><p class="elsevierStyleSimplePara elsevierViewall">Evaluar las propiedades discriminativas y la validez del cuestionario Airways Questionnaire 20 (AQ20) en un grupo de pacientes con cuadros de obstrucción de la vía respiratoria, y comparar sus propiedades con las de los cuestionarios St. George's Respiratory Questionnaire (SGRQ) y Short Form 36 (SF-36).</p> <span class="elsevierStyleSectionTitle">PACIENTES Y MÉTODOS</span><p class="elsevierStyleSimplePara elsevierViewall">De un grupo de 61 pacientes consecutivos, remitidos a una consulta ambulatoria especializada en enfermedades obstructivas de la vía respiratoria, se seleccionó una muestra de conveniencia constituida por 47 pacientes. Todos los pacientes completaron los cuestionarios AQ20, SGRQ y SF-36.Otros parámetros evaluados fueron el índice de disnea basal, la distancia recorrida en la prueba de la marcha de 6 min, los resultados de la gasometría en sangre arterial y el índice de masa corporal.</p> <span class="elsevierStyleSectionTitle">RESULTADOS</span><p class="elsevierStyleSimplePara elsevierViewall">El cuestionario AQ20 presentó una correlación estrecha con la puntuación del SGRQ total (ρ=0,84; p < 0,001) y una correlación moderada con todos los dominios del SF-36 (capacidad física,ρ=−0,53;actividad física, ρ=−0,61;dolor corporal,ρ=−0,55;salud general,ρ=−0,59; vitalidad,ρ=−0,55;actividad social,ρ=−0,57;actividad de rol emocional,ρ=−0,51;salud mental,ρ=−0,61;en todos los casos, p < 0,001).El índice de disnea basal y la distancia recorrida en la prueba de la marcha de 6 min fueron los mejores elementos predictivos de la puntuación del AQ20 (r<span class="elsevierStyleSup">2</span> = 0,31) en el modelo de regresión. El área bajo la curva de eficacia diagnóstica, que fue de 0,91 (p < 0,001), indicó un elevado grado de precisión del cuestionario AQ20, utilizando como prueba de referencia el SGRQ.</p> <span class="elsevierStyleSectionTitle">CONCLUSIONES</span><p class="elsevierStyleSimplePara elsevierViewall">Los resultados obtenidos en este estudio demuestran que el AQ20 es un cuestionario preciso de salud en los pacientes con obstrucción de la vía respiratoria de grado moderado a intenso. Podría constituir una alternativa a los cuestionarios tradicionales más complejos, como el SGRQ.</p>" ] ] "NotaPie" => array:1 [ 0 => array:1 [ "nota" => "<p class="elsevierStyleNotepara">This study was partially supported by CAPES, CNPq, and FAPESP-Brazil.</p>" ] ] "bibliografia" => array:2 [ "titulo" => "REFERENCES" "seccion" => array:1 [ 0 => array:1 [ "bibliografiaReferencia" => array:24 [ 0 => array:3 [ "identificador" => "bib1" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Health status measurement in chronic obstructive pulmonary disease" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => "PW Jones" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:6 [ "tituloSerie" => "Thorax" "fecha" => "2001" "volumen" => "56" "paginaInicial" => "880" "paginaFinal" => "887" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/11641515" "web" => "Medline" ] ] ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib2" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Quality of life measured with a generic instrument (Short Form 36) improves following pulmonary rehabilitation in patients with COPD" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => "FM Boueri" 1 => "BL Bucher-Bartelson" 2 => "KA Glenn" 3 => "BJ Make" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:6 [ "tituloSerie" => "Chest" "fecha" => "2001" "volumen" => "119" "paginaInicial" => "77" "paginaFinal" => "84" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/11157587" "web" => "Medline" ] ] ] ] ] ] ] ] 2 => array:3 [ "identificador" => "bib3" "etiqueta" => "3" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Brazilian version of airways questionnaire 20: a reproducibility study and correlations in patients with COPD" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => "A Camelier" 1 => "FW Rosa" 2 => "PW Jones" 3 => "JR Jardim" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1016/j.rmed.2004.09.022" "Revista" => array:6 [ "tituloSerie" => "Respir Med" "fecha" => "2005" "volumen" => "99" "paginaInicial" => "602" "paginaFinal" => "608" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15823458" "web" => "Medline" ] ] ] ] ] ] ] ] 3 => array:3 [ "identificador" => "bib4" "etiqueta" => "4" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Back to basics: how many items can adequately represent health-related quality of life in airways disease?" 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| Year/Month | Html | Total | |
|---|---|---|---|
| 2024 November | 6 | 10 | 16 |
| 2024 October | 27 | 26 | 53 |
| 2024 September | 26 | 26 | 52 |
| 2024 August | 35 | 56 | 91 |
| 2024 July | 30 | 67 | 97 |
| 2024 June | 31 | 77 | 108 |
| 2024 May | 30 | 30 | 60 |
| 2024 April | 16 | 29 | 45 |
| 2024 March | 17 | 22 | 39 |
| 2024 February | 13 | 23 | 36 |
| 2023 March | 0 | 2 | 2 |
| 2023 February | 19 | 17 | 36 |
| 2023 January | 17 | 27 | 44 |
| 2022 December | 16 | 19 | 35 |
| 2022 November | 24 | 23 | 47 |
| 2022 October | 24 | 32 | 56 |
| 2022 September | 11 | 20 | 31 |
| 2022 August | 17 | 28 | 45 |
| 2022 July | 17 | 46 | 63 |
| 2022 June | 15 | 29 | 44 |
| 2022 May | 15 | 35 | 50 |
| 2022 April | 14 | 35 | 49 |
| 2022 March | 15 | 36 | 51 |
| 2022 February | 14 | 28 | 42 |
| 2022 January | 13 | 29 | 42 |
| 2021 December | 14 | 42 | 56 |
| 2021 November | 12 | 44 | 56 |
| 2021 October | 13 | 40 | 53 |
| 2021 September | 15 | 60 | 75 |
| 2021 August | 12 | 25 | 37 |
| 2021 July | 11 | 23 | 34 |
| 2021 June | 11 | 43 | 54 |
| 2021 May | 11 | 24 | 35 |
| 2021 April | 25 | 37 | 62 |
| 2021 March | 18 | 17 | 35 |
| 2021 February | 12 | 9 | 21 |
| 2021 January | 8 | 11 | 19 |
| 2020 December | 7 | 13 | 20 |
| 2020 November | 11 | 15 | 26 |
| 2020 October | 5 | 9 | 14 |
| 2020 September | 10 | 7 | 17 |
| 2020 August | 9 | 7 | 16 |
| 2020 July | 4 | 17 | 21 |
| 2020 June | 11 | 3 | 14 |
| 2020 May | 14 | 8 | 22 |
| 2020 April | 9 | 14 | 23 |
| 2020 March | 8 | 12 | 20 |
| 2020 February | 8 | 15 | 23 |
| 2020 January | 8 | 26 | 34 |
| 2019 December | 11 | 12 | 23 |
| 2019 November | 11 | 7 | 18 |
| 2019 October | 3 | 5 | 8 |
| 2019 September | 7 | 14 | 21 |
| 2019 August | 10 | 3 | 13 |
| 2019 July | 8 | 17 | 25 |
| 2019 June | 3 | 6 | 9 |
| 2019 May | 15 | 6 | 21 |
| 2019 April | 8 | 28 | 36 |
| 2019 March | 9 | 17 | 26 |
| 2019 February | 8 | 7 | 15 |
| 2019 January | 6 | 6 | 12 |
| 2018 December | 8 | 11 | 19 |
| 2018 November | 9 | 14 | 23 |
| 2018 October | 20 | 17 | 37 |
| 2018 September | 8 | 6 | 14 |
| 2018 May | 3 | 0 | 3 |
| 2018 April | 8 | 8 | 16 |
| 2018 March | 3 | 2 | 5 |
| 2018 February | 3 | 10 | 13 |
| 2018 January | 5 | 5 | 10 |
| 2017 December | 6 | 9 | 15 |
| 2017 November | 6 | 5 | 11 |
| 2017 October | 6 | 9 | 15 |
| 2017 September | 5 | 5 | 10 |
| 2017 August | 7 | 12 | 19 |
| 2017 July | 5 | 6 | 11 |
| 2017 June | 9 | 5 | 14 |
| 2017 May | 9 | 9 | 18 |
| 2017 April | 2 | 2 | 4 |
| 2017 March | 8 | 5 | 13 |
| 2017 February | 3 | 4 | 7 |
| 2017 January | 3 | 4 | 7 |
| 2016 December | 13 | 7 | 20 |
| 2016 November | 13 | 4 | 17 |
| 2016 October | 12 | 8 | 20 |
| 2016 September | 11 | 7 | 18 |
| 2016 August | 8 | 4 | 12 |
| 2016 July | 1 | 0 | 1 |
| 2016 March | 3 | 0 | 3 |
| 2016 February | 2 | 0 | 2 |
| 2015 December | 2 | 0 | 2 |
| 2015 October | 55 | 21 | 76 |
| 2015 September | 54 | 12 | 66 |
| 2015 August | 44 | 13 | 57 |
| 2015 July | 64 | 9 | 73 |
| 2015 June | 53 | 15 | 68 |
| 2015 May | 49 | 19 | 68 |
| 2015 April | 42 | 17 | 59 |
| 2015 March | 39 | 12 | 51 |
| 2015 February | 57 | 5 | 62 |
| 2015 January | 34 | 11 | 45 |
| 2014 December | 42 | 6 | 48 |
| 2014 November | 43 | 9 | 52 |
| 2014 October | 68 | 11 | 79 |
| 2014 September | 44 | 9 | 53 |
| 2014 August | 45 | 11 | 56 |
| 2014 July | 35 | 11 | 46 |
| 2014 June | 41 | 11 | 52 |
| 2014 May | 39 | 10 | 49 |
| 2014 April | 58 | 8 | 66 |
| 2014 March | 62 | 11 | 73 |
| 2014 February | 47 | 11 | 58 |
| 2014 January | 36 | 8 | 44 |
| 2013 December | 37 | 6 | 43 |
| 2013 November | 33 | 9 | 42 |
| 2013 October | 53 | 12 | 65 |
| 2013 September | 49 | 12 | 61 |
| 2013 August | 46 | 16 | 62 |
| 2013 July | 69 | 13 | 82 |
| 2013 June | 47 | 11 | 58 |
| 2013 May | 39 | 8 | 47 |
| 2013 April | 24 | 2 | 26 |
| 2013 March | 7 | 2 | 9 |
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