Prevalence and Incidence of Waardenburg syndrome
Prevalance of Waardenburg syndrome:
estimated 1 per 10,000 - 20,000 people suffer from Waardenburg syndrome, Genetics Home Reference website ... see also overview of Waardenburg syndrome.
approx 1 in 10,000 or 0.01% or 27,200 people in USA [Source statistic for calcuation: "estimated 1 per 10,000 - 20,000 people suffer from Waardenburg syndrome, Genetics Home Reference website" -- see also general information about data sources]
Waardenburg syndrome: Rare Disease
Waardenburg syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Waardenburg syndrome, or a subtype of Waardenburg syndrome,
affects less than 200,000 people in the US population.
About prevalence and incidence statistics:
The term 'prevalence' of Waardenburg syndrome usually refers to the estimated population
of people who are managing Waardenburg syndrome at any given time.
The term 'incidence' of Waardenburg syndrome refers to the annual diagnosis rate,
or the number of new cases of Waardenburg 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.