Figure 2.
The association between MMP1 -1607 1G/2G and lung cancer risk (dominant model: OR =1.11, 95% CI: 0.99–1.24, P=0.077; P=0.197 for heterogeneity; fixed-effects model).
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.