Fig. 3From: Health status decline in α-1 antitrypsin deficiency: a feasible outcome for disease modifying therapies?Relationship between deterioration in FEV1 and SGRQ. The decline in FEV1 is shown compared to the annual change in SGRQ total score. Each point represents data from a single patient. The dashed line is a linear regression, r2 = 0.04, p < 0.001Back to article page