Prevalence and Incidence of Fragile-X Syndrome
Prevalance of Fragile-X Syndrome:
approximately 1 per 8,000 females suffer from fragile X syndrome, Genetics Home Reference website ... see also overview of Fragile-X Syndrome.
approx 1 in 16,000 or 0.01% or 17,000 people in USA [Source statistic for calcuation: "approximately 1 per 8,000 females suffer from fragile X syndrome, Genetics Home Reference website" -- see also general information about data sources]
Fragile-X Syndrome: Rare Disease
Fragile-X Syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Fragile-X Syndrome, or a subtype of Fragile-X 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 Fragile-X Syndrome as a "rare disease".
More information about Fragile-X Syndrome is available from Orphanet
Incidence (annual) of Fragile-X Syndrome:
about 1 in 1500 males1. ... see also overview of Fragile-X Syndrome.
approx 1 in 3,000 or 0.03% or 90,666 people in USA [Source statistic for calcuation: "about 1 in 1500 males1." -- see also general information about data sources]
Incidence extrapolations for USA for Fragile-X Syndrome:
90,666 per year,
7,555 per month,
1,743 per week,
248 per day,
10 per hour,
0 per minute,
0 per second.
[Source statistic for calculation: "about 1 in 1500 males1." -- see also general information about data sources]
About prevalence and incidence statistics:
The term 'prevalence' of Fragile-X Syndrome usually refers to the estimated population
of people who are managing Fragile-X Syndrome at any given time.
The term 'incidence' of Fragile-X Syndrome refers to the annual diagnosis rate,
or the number of new cases of Fragile-X 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.