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This page presents a variety of statistics about Chromosome 9 Ring. The term 'prevalence' of Chromosome 9 Ring usually refers to the estimated population of people who are managing Chromosome 9 Ring at any given time. The term 'incidence' of Chromosome 9 Ring refers to the annual diagnosis rate, or the number of new cases of Chromosome 9 Ring 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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