Physical Activity Characteristics across GOLD Quadrants Depend on the Questionnaire Used

Abstract

BACKGROUND The GOLD multidimensional classification of COPD severity combines the exacerbation risk with the symptom experience, for which 3 different questionnaires are permitted. This study investigated differences in physical activity (PA) in the different GOLD quadrants and patient's distribution in relation to the questionnaire used. METHODS 136 COPD… (More)
DOI: 10.1371/journal.pone.0151255

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