Figure 2.
Forest plots of meta-analyses outcomes. CI, confidence interval; REML, restricted maximum likelihood; +, event, −, no event.
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.