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.
Kaplan-Meier curves to one year post-angiography showing proportion free of loss of (A) primary patency (log rank P=0.5); (B) primary assisted patency (P=0.04); and (C) secondary patency (P=0.02).
