Prevalence and Incidence of Autoimmune Hepatitis

Prevalance of Autoimmune Hepatitis:

1,156 people in the USA 1996 ¹ ... see also overview of Autoimmune Hepatitis.

Prevalance Rate:

approx 1 in 235,294 or 0.00% or 1,156 people in USA [Source statistic for calcuation: "1,156 people in the USA 1996 ¹" -- see also general information about data sources]

Autoimmune Hepatitis: Rare Disease

Autoimmune Hepatitis is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Autoimmune Hepatitis, or a subtype of Autoimmune Hepatitis, affects less than 200,000 people in the US population.

About prevalence and incidence statistics:

The term 'prevalence' of Autoimmune Hepatitis usually refers to the estimated population of people who are managing Autoimmune Hepatitis at any given time. The term 'incidence' of Autoimmune Hepatitis refers to the annual diagnosis rate, or the number of new cases of Autoimmune Hepatitis 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. Rose and Mackay, 1998, The Autoimmune Diseases, Third Edition

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