Prevalence and Incidence of Diverticular Disease


About prevalence and incidence statistics: The term 'prevalence' of Diverticular Disease usually refers to the estimated population of people who are managing Diverticular Disease at any given time. The term 'incidence' of Diverticular Disease refers to the annual diagnosis rate, or the number of new cases of Diverticular Disease diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

Prevalance of Diverticular Disease: 2 million people in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
Prevalance Rate: approx 1 in 136 or 0.74% or 2 million people in USA [about data]
Incidence (annual) of Diverticular Disease: 300,000 new cases in the USA 1987 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
Incidence Rate: approx 1 in 906 or 0.11% or 300,000 people in USA [about data]
Prevalance of Diverticular Disease: About half of all Americans age 60 to 80, and almost everyone over age 80, have diverticulosis. 1 ... Prevalence: 2 million people (1983-87)2
Incidence of Diverticular Disease: Incidence: 300,000 new cases (1987)2

Prevelance of Diverticular Disease discussion: Actually, the majority of Americans over age 60 have diverticulosis, but only a small percentage have symptoms or complications. Diverticulosis is a condition in which little sacs—or out-pouchings—called diverticula, develop in the wall of the colon. These tend to appear and increase in number with age.3

Incidence statistics about Diverticular Disease: The following statistics relate to the incidence of Diverticular Disease:

  • 17 per 1000 (NHIS95, "diverticula of intestines")

1. excerpt from Diverticulosis and Diverticulitis: NIDDK
2. excerpt from Digestive Diseases Statistics: NIDDK
3. excerpt from Facts and Fallacies About Digestive Diseases: NIDDK

Last revision: May 27, 2003

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