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 estimates of patient survival according to ESA response comparing 3 months (A) to 6 months (B) of persistent ESA hyporesponsiveness. The probability of survival was lower in the ESA hyporesponsive group for both 3 and 6 months periods (Log-Rank p <0.01).
