Ischemic colitis epidemiology and demographics

Overview
Although uncommon in the general population, ischemic colitis occurs with greater frequency in the elderly, and is the most common form of bowel ischemia.

Prevalence
The exact incidence of ischemic colitis is difficult to estimate, as many patients with mild ischemia may not seek medical attention. Ischemic colitis is responsible for about 1 in 2000 hospital admissions, and is seen on about 1 in 100 endoscopies.

Sex
Men and women are affected equally;

Age
Ischemic colitis is a disease of the elderly, with more than 90% of cases occurring in people over the age of 60.