Figure 1.
Kaplan–Meier survival curve of developing depression among patients with inflammatory bowel disease, their unaffected siblings, and control group. 
, Control group; 
, unaffected siblings; 
, inflammatory bowel disease probands.
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.