Figure 2.
Meta-analysis of the plasma ET-1 levels in the NTG and control groups. A random effects model was used to calculate the mean difference. CI: confidence interval; SD: standard deviation.
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.