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.
The median follow-up time was 29.9 years (interquartile range [IQR], 25.2-30.2) for white women, 29.6 years (IQR, 19.9-30.1) for black women, 29.7 years (IQR, 20.8-30.1) for white men, and 29.3 years (IQR, 15.2-30.1) for black men.
