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Diseases » Anal conditions » Incidence

Incidence Statistics for Types of Anal conditions

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

Incidence Statistics for Types of Anal conditions


Incidence Estimate

US people estimate

Statistic Used for Calculation

Anal Cancer approx 1 in 58,494 or 0.00% or 4,649 people in USA 4,649 estimated 4,650 new cases of anal cancer will be diagnosed in the US in 2007, National Cancer Institute website
Anal fissure N/A N/A No information
Anal itching N/A N/A No information
Anorectal disorders N/A N/A No information
Constipation N/A N/A No information
Fecal incontinence N/A N/A No information
Flatulence N/A N/A No information
Granuloma inguinale approx 1 in 1,000,000 or 0.00% or 272 people in USA 272 0.1 new cases per 100,000 population of donovanosis was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)
Hemorrhoids approx 1 in 272 or 0.37% or 1 million people in USA 1,000,000 1 million new cases in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
Incontinence N/A N/A No information
Proctitis N/A N/A No information
Rectal abscess N/A N/A No information
Rectal prolapse 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)
Traveler's diarrhea approx 1 in 27 or 3.68% or 10 million people in USA 10,000,000 estimated 10 million (DBMD1)

Types of Anal conditions

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

About incidence:

The medical term 'incidence' of Anal conditions usually refers to the annual diagnosis rate of new cases of Anal conditions. Prevalence is a different medical disease measure that refers to the estimated population of people who are managing Anal 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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