Figure 8.
Sensitivity analysis of the association between serum/plasma GPx and COPD disease. For each study, the displayed effect size (hollow circles) corresponds to an overall effect size computed from a meta-analysis which excluded that study.
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.