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dc.contributor.authorMoya Álvarez, Virginia
dc.contributor.authorQuevedo Marín, Juan Luis
dc.contributor.authorJi, Zichen
dc.contributor.authorNavarro Jiménez, Cristina
dc.contributor.authorJiménez García, Rodrigo
dc.contributor.authorLópez de Andrés, Ana
dc.contributor.authorPérez Trullén, Alfonso
dc.contributor.authorDe Miguel Díez, Javier
dc.description.abstractIntroduction: The Global Organization of Lung Disease (GOLD) classifies patients with chronic obstructive pulmonary disease (COPD) taking into account the symptoms. The modified Medical Research Council’s dyspnea scale (mMRC) and the COPD assessment test (CAT) are used to assess these symptoms. In this study, we analyze the concordance of GOLD classification using mMRC and CAT. Patients and Methods: This is an observational study of a cohort of 169 patients with COPD, who were classified following the GOLD 2017 recommendations, using both mMRC and CAT. A concordance analysis was applied, and a ROC curve was generated to identify the CAT score that best concorded with the mMRC scale. Results: The concordance for the GOLD groups classified by CAT and mMRC was moderate (kappa 0.492). For mMRC score of 1 and 2, a CAT score of ≥9 and ≥16 showed the maximum value of the Youden index, respectively. By reclassifying the patients with the new cut-off points obtained, the best concordance was obtained between the cut-off point for CAT of 16 and for mMRC of 2, followed by CAT of 9 and mMRC of 1. Conclusion: Because of the deficient concordance between CAT and mMRC, we propose the use of new cut-off points in future updates of the GOLD
dc.publisherInternational Journal of Chronic Obstructive Pulmonary Diseasespa
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subjectChronic obstructive pulmonary diseasespa
dc.subjectGlobal Organization of Lung Diseasespa
dc.subjectModified Medical Research Councilspa
dc.subjectCOPD assessment testspa
dc.titleVariation in Assignment of the COPD Patients into a GOLD Group According to Symptoms
dc.description.extent2909 KBspa

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Atribución-NoComercial-SinDerivadas 3.0 España
Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España