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Diseases » Chromosome 4, trisomy 4p » Prevalence

Prevalence and Incidence of Chromosome 4, trisomy 4p

Chromosome 4, trisomy 4p: Rare Disease

Chromosome 4, trisomy 4p is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Chromosome 4, trisomy 4p, or a subtype of Chromosome 4, trisomy 4p, affects less than 200,000 people in the US population.

About prevalence and incidence statistics:

The term 'prevalence' of Chromosome 4, trisomy 4p usually refers to the estimated population of people who are managing Chromosome 4, trisomy 4p at any given time. The term 'incidence' of Chromosome 4, trisomy 4p refers to the annual diagnosis rate, or the number of new cases of Chromosome 4, trisomy 4p 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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