FIGURE 4.
Kaplan Meier curve on overall survival for patients based on surgical intervention. Hazard ratio (HR) is for overall mortality. Notches on line indicate censored data.
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.