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.
The forest plot of meta-analysis on overall HPV infection odds ratio and esophageal squamous cell carcinoma (ESCC) risk in six eligible case-control studies. The squares show pooled estimates of the HPV infection odds ratio and ESCC risk, and the lines show 95% confidence intervals. The diamond shows the pooled odds ratio that was estimated at 1.988 (95% CI: 0.716–4.438)
