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.
Interaction between mean heart rate (HR mean) and heart rate coefficient of variation (HR CV) for the primary endpoint (cardiovascular death or heart failure hospitalization) (A), cardiovascular mortality (B), and heart failure hospitalization (C) in placebo (left) and ivabradine (right) patients.
