Prevalence and Incidence of Digestive Diseases


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About prevalence and incidence statistics: The term 'prevalence' of Digestive Diseases usually refers to the estimated population of people who are managing Digestive Diseases at any given time. The term 'incidence' of Digestive Diseases refers to the annual diagnosis rate, or the number of new cases of Digestive Diseases 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 Digestive Diseases: 60 to 70 million cases in the USA 1985 (Digestive diseases in the United States: Epidemiology and Impact NIH Publication No. 94-1447)
Prevalance Rate: approx 1 in 4 or 22.06% or 60 million people in USA [about data]
Prevalance of Digestive Diseases: 60 to 70 million people affected by all digestive diseases (1985)1

Incidence statistics about Digestive Diseases: The following statistics relate to the incidence of Digestive Diseases:

  • 18.9 million noninstitutionalized adults were diagnosed with digestive disorders annually in the US 2001 (Summary Health Statistics for US Adults, 2001, NCHS, CDC)
  • 9.3% of noninstitutionalized adults were diagnosed with digestive disorders annually in the US 2001 (Summary Health Statistics for US Adults, 2001, NCHS, CDC)


Footnotes:
1. excerpt from Digestive Diseases Statistics: NIDDK

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