Table 1. Summary of demographic and ECG data covered by ECG-ViEW III (n = 447,445).
Values are presented as mean ± standard deviation or number (%).
ECG: electrocardiogram; ECG-ViEW: Electrocardiogram Vigilance with Electronic data Warehouse.
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.