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.
Risk ratio of skin, mucosal, and organ bleeding according to age. The bleeding risk for patients at ≤29 years of age was set to 1.0, and the relative risk ratio for every 10 years of age was calculated. Patients aged ≥80 years were calculated together.
