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Diseases » Bowel conditions » Incidence

Incidence Statistics for Types of Bowel conditions

The information below shows a list of types of Bowel conditions, with information as to the annual incidence of each of these types of Bowel conditions. Estimates of the people affected each year are calculated based on the available statistics.

Incidence Statistics for Types of Bowel conditions


Incidence Estimate

US people estimate

Statistic Used for Calculation

Amebic dysentery N/A N/A No information
Bowel Obstruction N/A N/A No information
Chronic digestive diseases N/A N/A No information
Digestive Diseases N/A N/A No information
Fecal impaction N/A N/A No information
Fecal incontinence N/A N/A No information
Incontinence N/A N/A No information
Infectious Diarrhea approx 1 in 3 or 36.40% or 99 million people in USA 99,000,000 99 million new cases in the USA 1980 (Digestive diseases in the United States: Epidemiology and Impact NIH Publication No. 94-1447, NIDDK, 1994)
Inflammatory bowel disease N/A N/A No information
Intestinal pseudo-obstruction N/A N/A No information
Intussusception approx 1 in 500 or 0.20% or 544,000 people in USA 544,000 about 2 per 1000 cases in infants
Irritable bowel syndrome N/A N/A No information
Kaposi's Sarcoma N/A N/A No information
Megacolon N/A N/A No information
Short Bowel Syndrome N/A N/A No information
Sudden Digestive Conditions N/A N/A No information
Colitis approx 1 in 83 or 1.20% or 3.3 million people in USA 3,264,000 12 per 1000 (NHIS95: "enteritis or colitis")
Colon conditions N/A N/A No information
Colonic volvulus approx 1 in 33,333 or 0.00% or 8,160 people in USA 8,160 3 per 100,000 persons per year
Colorectal cancer approx 1 in 1,834 or 0.05% or 148,300 people in USA 148,300 148,300 annual cases = 107,300 annual cases of colon cancer and 41,000 annual cases of rectum cancer(SEER 2002 estimate)
Colorectal Polyps N/A N/A No information
Constipation N/A N/A No information
Diverticular Disease approx 1 in 906 or 0.11% or 300,000 people in USA 300,000 300,000 new cases in the USA 1987 (Digestive diseases in the United States: Epidemiology and Impact NIH Publication No. 94-1447, NIDDK, 1994)
Dysentery N/A N/A No information
Familial polyposis N/A N/A No information
Hirschsprung's disease N/A N/A No information
Malabsorption N/A N/A No information
Pinworm N/A N/A No information
Shigellosis approx 1 in 15,524 or 0.01% or 17,521 people in USA 17,521 17,521 annual cases of shigellosis notified in USA 1999 (MMWR 1999)
Traveler's diarrhea approx 1 in 27 or 3.68% or 10 million people in USA 10,000,000 estimated 10 million (DBMD1)
Ulcerative colitis N/A N/A No information
Viral dysentery N/A N/A No information

Types of Bowel conditions

For more information about types of Bowel conditions, refer to our section on types of Bowel conditions.

About incidence:

The medical term 'incidence' of Bowel conditions usually refers to the annual diagnosis rate of new cases of Bowel conditions. Prevalence is a different medical disease measure that refers to the estimated population of people who are managing Bowel conditions at any given time (e.g. prevalence includes people who have had a medical condition for a long time). For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.

1. Traveller's Diarrhea, CDC/DBMD, Nov 21, 2006

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