Prevalence and Incidence of FLOTCH syndrome
FLOTCH syndrome: Rare Disease
FLOTCH syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that FLOTCH syndrome, or a subtype of FLOTCH 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 FLOTCH syndrome as a "rare disease".
More information about FLOTCH syndrome is available from Orphanet
About prevalence and incidence statistics:
The term 'prevalence' of FLOTCH syndrome usually refers to the estimated population
of people who are managing FLOTCH syndrome at any given time.
The term 'incidence' of FLOTCH syndrome refers to the annual diagnosis rate,
or the number of new cases of FLOTCH 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.