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 Curve for Survival Stratified by Radiation Type. Over a 60-month period after radiation, there was no significant relationship detected between radiation type and mortality. The log rank test gives a p-value of 0.61. The number at risk at each time point is shown in the bottom table.
