Fig 2. Pooled risk difference (RD) in gastric cancer occurrence in patients with Helicobacter pylori infection.
I2 value indicates heterogeneity of 33%. n = case of gastric cancer. N = group size.
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.