Fig. 4

Standardized treatment effect of pirfenidone versus placebo on change in FVC % predicted from baseline to 1 year based on pooled data from the CAPACITY and ASCEND trials (N = 1247) [24]. 6MWD, 6-min walk distance; DLco, diffusing capacity of the lungs for carbon monoxide; FEV₁, forced expiratory volume in 1 s; FVC, forced vital capacity. Error bars show the 95% confidence interval. Reproduced with permission of the © ERS 2018. European Respiratory Journal Jan 2016, 47 (1) 243–253; DOI: https://doi.org/10.1183/13993003.00026-2015. This material has not been reviewed prior to release; therefore the European Respiratory Society may not be responsible for any errors, omissions or inaccuracies, or for any consequences arising there from, in the content