Prevalence and Incidence of Diarrhea


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

Incidence (annual) of Diarrhea: almost 100% annually (NIDDK)
Incidence Rate: approx 1 in 1 or 100.00% or 272 million people in USA [about data]
Prevalance of Diarrhea: People of all ages can get diarrhea. The average adult has a bout of diarrhea about four times a year. 1

1. excerpt from Diarrhea: NIDDK

Last revision: Nov 11, 2003

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