Figure 1.
Inclusion and exclusion procedure of chart selection and screening (NSTEMI, non-ST-elevation myocardial infarction; UA, unstable angina).
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.