title: How important is a minimal difference?
authors: T
authors: T
authors: Troosters
mesh_terms: D003627:Data Interpretation, Statistical; D004646:Emphysema / Q000628:therapy*; D005080:Exercise Test / Q000592:standards*; D006801:Humans; D008168:Lung / Q000473:pathology; D008171:Lung Diseases / Q000175:diagnosis*; D015272:Pulmonary Medicine / Q000592:standards*; D011788:Quality of Life; D011795:Surveys and Questionnaires; D016896:Treatment Outcome