Journal of clinical epidemiology
-
To assess the psychometric properties of the short-form chronic respiratory disease questionnaire (SF-CRQ) as a quality-of-life (QOL) instrument in chronic obstructive pulmonary disease (COPD) exacerbations. ⋯ SF-CRQ is a valid, reliable, and responsive instrument for the assessment of short-term QOL change in patients with COPD exacerbations.