Figure 2.
Kaplan–Meier curves for long-term outcomes in patients included from 1995–96 (dark red) to 2013–14 (dark green).
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.