Responsiveness of the COPD assessment test: the minimal clinically important difference does matter.
Department of General Practice and Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands. Electronic address: j.w.h.kocks@umcg.nl.
Janwillem W H
JWH
Kocks
Department of General Practice and Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
Ioanna G
IG
Tsiligianni
Department of General Practice and Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
Thys
T
van der Molen
D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology* / Q000534:rehabilitation*; D012720:Severity of Illness Index; D011795:Surveys and Questionnaires / Q000592:standards*