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.
Forest plot of risk estimates from observational studies of physical activity and mortality outcomes in breast cancer survivors. Black circles indicate hazard ratios (HRs), and solid horizontal lines represent 95% confidence intervals (CIs). The vertical dotted line indicates point of unity.
