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Portuguese-language version of the COPD Assessment Test: validation for use in Brazil

OBJECTIVE: To validate a Portuguese-language version of the COPD assessment test (CAT) for use in Brazil and to assess the reproducibility of this version. METHODS: This was multicenter study involving patients with stable COPD at two teaching hospitals in the city of Fortaleza, Brazil. Two independ...

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Autores principales: da Silva, Guilherme Pinheiro Ferreira, Morano, Maria Tereza Aguiar Pessoa, Viana, Cyntia Maria Sampaio, Magalhães, Clarissa Bentes de Araujo, Pereira, Eanes Delgado Barros
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Sociedade Brasileira de Pneumologia e Tisiologia 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4075870/
https://www.ncbi.nlm.nih.gov/pubmed/24068260
http://dx.doi.org/10.1590/S1806-37132013000400002
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author da Silva, Guilherme Pinheiro Ferreira
Morano, Maria Tereza Aguiar Pessoa
Viana, Cyntia Maria Sampaio
Magalhães, Clarissa Bentes de Araujo
Pereira, Eanes Delgado Barros
author_facet da Silva, Guilherme Pinheiro Ferreira
Morano, Maria Tereza Aguiar Pessoa
Viana, Cyntia Maria Sampaio
Magalhães, Clarissa Bentes de Araujo
Pereira, Eanes Delgado Barros
author_sort da Silva, Guilherme Pinheiro Ferreira
collection PubMed
description OBJECTIVE: To validate a Portuguese-language version of the COPD assessment test (CAT) for use in Brazil and to assess the reproducibility of this version. METHODS: This was multicenter study involving patients with stable COPD at two teaching hospitals in the city of Fortaleza, Brazil. Two independent observers (twice in one day) administered the Portuguese-language version of the CAT to 50 patients with COPD. One of those observers again administered the scale to the same patients one week later. At baseline, the patients were submitted to pulmonary function testing and the six-minute walk test (6MWT), as well as completing the previously validated Portuguese-language versions of the Saint George's Respiratory Questionnaire (SGRQ), modified Medical Research Council (MMRC) dyspnea scale, and hospital anxiety and depression scale (HADS). RESULTS: Inter-rater and intra-rater reliability was excellent (intraclass correlation coefficient [ICC] = 0.96; 95% CI: 0.93-0.97; p < 0.001; and ICC = 0.98; 95% CI: 0.96-0.98; p < 0.001, respectively). Bland Altman plots showed good test-retest reliability. The CAT total score correlated significantly with spirometry results, 6MWT distance, SGRQ scores, MMRC dyspnea scale scores, and HADS-depression scores. CONCLUSIONS: The Portuguese-language version of the CAT is a valid, reproducible, and reliable instrument for evaluating patients with COPD in Brazil.
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spelling pubmed-40758702014-07-16 Portuguese-language version of the COPD Assessment Test: validation for use in Brazil da Silva, Guilherme Pinheiro Ferreira Morano, Maria Tereza Aguiar Pessoa Viana, Cyntia Maria Sampaio Magalhães, Clarissa Bentes de Araujo Pereira, Eanes Delgado Barros J Bras Pneumol Original Articles OBJECTIVE: To validate a Portuguese-language version of the COPD assessment test (CAT) for use in Brazil and to assess the reproducibility of this version. METHODS: This was multicenter study involving patients with stable COPD at two teaching hospitals in the city of Fortaleza, Brazil. Two independent observers (twice in one day) administered the Portuguese-language version of the CAT to 50 patients with COPD. One of those observers again administered the scale to the same patients one week later. At baseline, the patients were submitted to pulmonary function testing and the six-minute walk test (6MWT), as well as completing the previously validated Portuguese-language versions of the Saint George's Respiratory Questionnaire (SGRQ), modified Medical Research Council (MMRC) dyspnea scale, and hospital anxiety and depression scale (HADS). RESULTS: Inter-rater and intra-rater reliability was excellent (intraclass correlation coefficient [ICC] = 0.96; 95% CI: 0.93-0.97; p < 0.001; and ICC = 0.98; 95% CI: 0.96-0.98; p < 0.001, respectively). Bland Altman plots showed good test-retest reliability. The CAT total score correlated significantly with spirometry results, 6MWT distance, SGRQ scores, MMRC dyspnea scale scores, and HADS-depression scores. CONCLUSIONS: The Portuguese-language version of the CAT is a valid, reproducible, and reliable instrument for evaluating patients with COPD in Brazil. Sociedade Brasileira de Pneumologia e Tisiologia 2013 /pmc/articles/PMC4075870/ /pubmed/24068260 http://dx.doi.org/10.1590/S1806-37132013000400002 Text en http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Articles
da Silva, Guilherme Pinheiro Ferreira
Morano, Maria Tereza Aguiar Pessoa
Viana, Cyntia Maria Sampaio
Magalhães, Clarissa Bentes de Araujo
Pereira, Eanes Delgado Barros
Portuguese-language version of the COPD Assessment Test: validation for use in Brazil
title Portuguese-language version of the COPD Assessment Test: validation for use in Brazil
title_full Portuguese-language version of the COPD Assessment Test: validation for use in Brazil
title_fullStr Portuguese-language version of the COPD Assessment Test: validation for use in Brazil
title_full_unstemmed Portuguese-language version of the COPD Assessment Test: validation for use in Brazil
title_short Portuguese-language version of the COPD Assessment Test: validation for use in Brazil
title_sort portuguese-language version of the copd assessment test: validation for use in brazil
topic Original Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4075870/
https://www.ncbi.nlm.nih.gov/pubmed/24068260
http://dx.doi.org/10.1590/S1806-37132013000400002
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