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.
Temporal trend of prevalence of aortic regurgitation (AR) grades 3+/4+ after aortic valve replacement stratified by patients with eventual explant for structural valve deterioration (SVD) versus other patients. Solid lines represent parametric estimates of temporal trend of prevalence of AR grade 3+/4+. Symbols represent data grouped without regard to repeated measurements within time frames to provide crude verification of model fit.
