Fig. 4From: Health status decline in α-1 antitrypsin deficiency: a feasible outcome for disease modifying therapies?Relationship between GOLD stage and change in SGRQ. The annual change in Total SGRQ is shown for the patient groups separated into the GOLD stages. The data is shown as median with IQR (box), 5–95% range (whiskers) and outliers (open squares). The significance of the difference between groups is shown as the p value on the horizontal barsBack to article page