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.
Cumulative incidence for therapy start, adjusted for death as competing risk, for pre-Medicare eligible (64.5-65 years old) and control cohorts (65.5-66 years old).
Note. SEER = Surveillance, Epidemiology, and End Results; OASI = Old Age Survivors Insurance.
