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.
FIGURE 3. Number of surgical procedures performed in patients without a permanent stoma and in patients with a permanent stoma. Comparison using a 2-sample t test. Gray lines indicate overall means; green lines indicate 95% confidence intervals; P = 0.0223.
