Prevalence and Incidence of Inflammatory bowel disease


About prevalence and incidence statistics: The term 'prevalence' of Inflammatory bowel disease usually refers to the estimated population of people who are managing Inflammatory bowel disease at any given time. The term 'incidence' of Inflammatory bowel disease refers to the annual diagnosis rate, or the number of new cases of Inflammatory bowel disease 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 Inflammatory bowel disease: 1 in 500 (NIAID); 300,000 people to 500,000 people NIDDK
Prevalance Rate: approx 1 in 500 or 0.20% or 544,000 people in USA [about data]
Prevalance of Inflammatory bowel disease: 300,000 to 500,000 people1
Incidence of Inflammatory bowel disease: 2 to 6 new cases per 100,000 people1

1. excerpt from Digestive Diseases Statistics: NIDDK

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