Fig. 7From: Imaging-based clusters in current smokers of the COPD cohort associate with clinical characteristics: the SubPopulations and Intermediate Outcome Measures in COPD Study (SPIROMICS)FEV1 and FEV1/FVC based of GOLD stages and imaging-based clusters. Dashed lines represent fixed threshold criteria (FEV1 = 0.8, FEV1/FVC = 0.7) used to distinguish possible PRISm subjectsBack to article page