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.
OS curve of studies included in the meta-analysis. Blue lines represent survival curves for each study. The red thick line represents the summarized survival curve with the 95% confidence bands (dashed lines) obtained using the approach of Combescure et al. with random effects.
