How does the incidence of lower gastrointestinal (GI) bleeding vary by sex?

Updated: Jul 26, 2019
  • Author: Burt Cagir, MD, FACS; Chief Editor: BS Anand, MD  more...
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Lower gastrointestinal bleeding (LGIB) that requires hospitalization represents less than 1% of all hospital admissions in the United States. [13] In one study, the estimated annual incidence rate was 20.5 patients per 100,000 (24.2 in males vs 17.2 in females); however, in individuals in the third to the ninth decades of life, the incidence rate of LGIB increased more than 200-fold. [16] LGIB is somewhat more common in men than in women, because diverticulosis and vascular disease are more common in men. [5]

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