Figure 3.
Weighted regression analysis of the incidence of SSI in control groups over time. Area between dashed lines is 95% confidence interval.
SSI, surgical site infection.
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.