Figure 6.
Kaplan–Meier analysis of the primary patency rate. Primary patency rate at 720 days was 60% and the standard error was <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.