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.
The variation in LVEF is shown according to different grades of SMR. The solid line represents averaged LVEF values for the 36 studies reporting the data; dotted lines represent the 95% CIs.
