Figure 2.
Forest plot showing comparison of the effect of pirfenidone versus placebo on change in forced vital capacity% ≥10%,
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.