Prevalence and Incidence of Char syndrome

Char syndrome: Rare Disease

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

About prevalence and incidence statistics:

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