Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Pooled mean change of FEV1 from baseline postbronchodilator (with 95% CI) of eligible studies comparing roflumilast with placebo.
Note: Items in brackets in the Study column are code names within the trial.
Abbreviations: FEV1, forced expiratory volume in the first second; CI, confidence interval; IV, instrumental variable; H, high; L, low; SD, standard deviation.
