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Diseases » Angelman syndrome » Prevalence
 

Prevalence and Incidence of Angelman syndrome

Prevalance of Angelman syndrome:

1 per 12,000 - 20,000 people are affected by Angelman syndrome, Genetics Home Reference website ... see also overview of Angelman syndrome.

Prevalance Rate:

approx 1 in 12,000 or 0.01% or 22,666 people in USA [Source statistic for calcuation: "1 per 12,000 - 20,000 people are affected by Angelman syndrome, Genetics Home Reference website" -- see also general information about data sources]

Angelman syndrome: Rare Disease

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

Prevelance statistics for Angelman syndrome:

The following statistics relate to the prevalence of Angelman syndrome:

  • Angelman Syndrome affects all races and sexes equally in the US (Dr Harry Angelman, Angelman Syndrome Foundation)
  • There are 1000 to 5000 cases of Angelman Syndrome in the US and Canada (Dr Harry Angelman, Angelman Syndrome Foundation)
  • more statistics...»

About prevalence and incidence statistics:

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