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.
A, Comparison in 2 groups according to presence of MR. B, Comparison in 4 groups classified by type of HCM and presence of MR. C, Comparison in 4 groups classified by sex and presence of MR. HCM indicates hypertrophic cardiomyopathy; and MR, mitral regurgitation.
