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.
Publication bias analysis—Funnel plot of constructed for studies included in the meta‐analysis for the risk of 30‐day cerebrovascular accident stratified by off‐pump coronary artery bypass technique. No funnel plot asymmetry was apparent by visual inspection between effect estimates and the study precision, suggesting absence of small study effect. RR indicates risk ratio.
