FIGURE 1.
A flow diagram showing how participants in the current analysis (n = 18,513) were selected from the REGARDS study (n = 30,239). REGARDS, Reasons for Geographic and Racial Differences in Stroke.
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.