Prevalence and Incidence of Hallervorden-Spatz disease
| About prevalence and incidence statistics: The term 'prevalence' of Hallervorden-Spatz disease usually refers to the estimated population of people who are managing Hallervorden-Spatz disease at any given time. The term 'incidence' of Hallervorden-Spatz disease refers to the annual diagnosis rate, or the number of new cases of Hallervorden-Spatz disease 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. |
Prevalance of Hallervorden-Spatz disease: rare
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