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.
Forest plot of meta-analysis on 1-year survival rate.
Notes: The gray squares indicate the 1-year survival rate of each study; the red square indicates the pooled overall 1-year survival rate of all the studies; the transverse line indicates the 95% CI.
Abbreviation: CI, confidence interval.
