Fig. 1.
Average INR level according to age group. The mean INR level of older patients was slightly higher than that of younger patients. INR: international normalized ratio.
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.