Brazilian version of airways questionnaire 20: a reproducibility study and correlations in patients with COPD

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dc.contributor.authorCamelier, Aquiles Assunção [UNIFESP]
dc.contributor.authorRosa, Fernanda Warken [UNIFESP]
dc.contributor.authorJones, Paul Wyatt
dc.contributor.authorJardim, José Roberto [UNIFESP]
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionUniv London St Georges Hosp
dc.date.accessioned2016-01-24T12:37:48Z
dc.date.available2016-01-24T12:37:48Z
dc.date.issued2005-05-01
dc.description.abstractThis study describes the correlations and reproducibility of AQ20, a simple health status questionnaire with 20 questions, which was designed to be useful especially in time sparing situations. A format language validation process was done, in order to validate the AQ20 before studying its reproducibility. Thirty stable COPD patients answered the final version twice within 15 days. To test the reproducibility of AQ20, the interclass correlation coefficient and Bland Altman display were used. Results were correlated with FEV1, SpO(2), BMI, Mahler BDI, and the Saint George Respiratory Questionnaire (SGRQ). Twenty-five patients (83.3%) were male, with a mean age of 68.6 years. the mean predicted FEV1 (%) was 56.8%. the interclass correlation ratio for the total score was alpha = 0.90 for the intraobserver variability and alpha = 0.93 for the interobserver variability. the correlation with total SGRQ score was 0.76, with P < 0.001. the mean application time for AQ20 was 4min and 6s, and the score calculation time, was 8s. It can be concluded that AQ20 is reproducible, with an excellent correlation with SGRQ total score, and also having the advantage of taking just a few minutes to be applied and to have its score calculated. (c) 2004 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniversidade Federal de São Paulo, Div Resp, Rehabil Ctr, BR-04023062 São Paulo, Brazil
dc.description.affiliationUniv London St Georges Hosp, Sch Med, London SW17 0RE, England
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Div Resp, Rehabil Ctr, BR-04023062 São Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent602-608
dc.identifierhttp://dx.doi.org/10.1016/j.rmed.2004.09.022
dc.identifier.citationRespiratory Medicine. London: W B Saunders Co Ltd, v. 99, n. 5, p. 602-608, 2005.
dc.identifier.doi10.1016/j.rmed.2004.09.022
dc.identifier.fileWOS000228782400013.pdf
dc.identifier.issn0954-6111
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/28259
dc.identifier.wosWOS:000228782400013
dc.language.isoeng
dc.publisherW B Saunders Co Ltd
dc.relation.ispartofRespiratory Medicine
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectquality of lifeen
dc.subjectstatisticsen
dc.subjectCOPDen
dc.subjectvalidationen
dc.titleBrazilian version of airways questionnaire 20: a reproducibility study and correlations in patients with COPDen
dc.typeinfo:eu-repo/semantics/article
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