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Diseases » Anal conditions » Prevalence
 

Prevalence and Incidence of Anal conditions

Prevalance of types of Anal conditions:

For details see prevalence of types of Anal conditions analysis; summary of available prevalence data:

  • Constipation: 4.4 million people in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
  • Fecal incontinence: 6.5 million Americans
  • Hemorrhoids: 10.4 million people in the USA 1983-87 (Digestive diseases in the United States: Epidemiology and Impact – NIH Publication No. 94-1447, NIDDK, 1994)
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Incidence of types of Anal conditions:

For details see incidence of types of Anal conditions analysis; summary of available incidence by type data:

  • Anal Cancer: estimated 4,650 new cases of anal cancer will be diagnosed in the US in 2007, National Cancer Institute website
  • Granuloma inguinale: 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: 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)
  • Infectious Diarrhea: 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: estimated 10 million (DBMD1)
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More Statistics about Anal conditions:

  • Hospitalization statistics
  • All statistics for Anal conditions

    About prevalence and incidence statistics:

    The term 'prevalence' of Anal conditions usually refers to the estimated population of people who are managing Anal conditions at any given time. The term 'incidence' of Anal conditions refers to the annual diagnosis rate, or the number of new cases of Anal conditions 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.

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

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