Prevalence and Incidence of Acanthosis nigricans
Acanthosis nigricans: Rare Disease
Acanthosis nigricans is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Acanthosis nigricans, or a subtype of Acanthosis nigricans,
affects less than 200,000 people in the US population.
Ophanet, who are a consortium of European partners,
currently defines a condition rare when if affects 1 person per 2,000.
They list Acanthosis nigricans as a "rare disease".
More information about Acanthosis nigricans is available from Orphanet
More Statistics about Acanthosis nigricans:
All statistics for Acanthosis nigricans
About prevalence and incidence statistics:
The term 'prevalence' of Acanthosis nigricans usually refers to the estimated population
of people who are managing Acanthosis nigricans at any given time.
The term 'incidence' of Acanthosis nigricans refers to the annual diagnosis rate,
or the number of new cases of Acanthosis nigricans 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.