Fig. 4From: Eligibility of patients with chronic obstructive pulmonary disease for inclusion in randomised control trials investigating triple therapy: a study using routinely collected dataMedian proportion of COPD patients excluded from COPD cohort based on domains of RCT eligibility criteria. Error bars are interquartile ranges. ECOPD exacerbations of COPD, FEV1 forced expiratory volume in 1 s, CAT COPD Assessment Test, CVD cardiovascular diseaseBack to article page