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Diseases » Refsum Disease » Prevalence

Prevalence and Incidence of Refsum Disease

Refsum Disease: Rare Disease

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

About prevalence and incidence statistics:

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


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