Fig. 2From: Characteristics associated with SF-36 in alpha-1 antitrypsin deficiency-associated COPD: a cross-sectional analysisBaseline SF-36 summary component score means in the overall cohort, n=4398. Note: SF-36 summary scores are norm-based, with an average of 50 (SD=10) for the general US population. Error bars reflect standard deviationsBack to article page