Reliability and validity of the clinical COPD questionniare and chronic respiratory questionnaire
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Keywords
Chronic obstructive pulmonary disease
Health-related quality of life
Questionnaire
Reliability
Validity
Responsiveness
Abbreviations
COPD
chronic obstructive pulmonary disease
HRQoL
health-related quality of life
CCQ
clinical COPD questionnaire
CRQ
chronic respiratory questionnaire
CRQ-SR
CRQ self reported
CRQ-IL
CRQ interviewer led
GOLD
global initiative for chronic obstructive lung disease
Post-bd.
post bronchodilator
FEV1
forced expiratory volume in 1 s
FVC
forced vital capacity
MCID
minimal clinically important difference
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