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.
Long‐term mortality in different subgroups based on the length of follow‐up. 95% CI indicates 95% confidence interval; IRR, incidence rate ratio; ONCABG, on‐pump coronary artery bypass surgery; OPCABG, off‐pump coronary artery bypass surgery.
