Figure 4.
Algorithm performance in age, sex, and electrocardiogram feature subgroups. P-values for within-subgroup comparisons of area under the receiver operating characteristic curves are derived with the DeLong’s test.
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.