Prevalence and Incidence of Chromosome 22, trisomy

Chromosome 22, trisomy: Rare Disease

Chromosome 22, trisomy is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Chromosome 22, trisomy, or a subtype of Chromosome 22, trisomy, affects less than 200,000 people in the US population.

About prevalence and incidence statistics:

The term 'prevalence' of Chromosome 22, trisomy usually refers to the estimated population of people who are managing Chromosome 22, trisomy at any given time. The term 'incidence' of Chromosome 22, trisomy refers to the annual diagnosis rate, or the number of new cases of Chromosome 22, trisomy 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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