Lower gastrointestinal bleeding epidemiology and demographics

Lower gastrointestinal bleeding Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]

Epidemiology

Prevalence

• Approximately 20 patients/100,000 population in the U.S.

Incidence

• The estimated annual incidence of lower GI bleeding is approximately 0.03% in the adult population as a whole.