age-specific rate

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The rate at which an event or a condition is observed in a specific age group. The numerator is the number of eligible events or conditions observed in that age group, the denominator is the amount of person-time (or number of persons) in that age group at risk of the eligible event or condition, with both events and person-time or populations being counted for the same time period. Classification of data into specified age groups and enumeration of numerators and denominators in each age group is required for calculation of age-specific rates.

Subjects: Public Health and Epidemiology.

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