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Diseases » MASA Syndrome » Prevalence

Prevalence and Incidence of MASA Syndrome

MASA Syndrome: Rare Disease

MASA Syndrome is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that MASA Syndrome, or a subtype of MASA Syndrome, 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 MASA Syndrome as a "rare disease". More information about MASA Syndrome is available from Orphanet

About prevalence and incidence statistics:

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


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