COMEDK 2007 MCQ Answer 119

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The correct answer is D

Incidence is the number of new events arising within a specified time period. The word incidence usually denotes incidence rate.

Prevalence is the number of events in a population at a designated time. The word prevalence usually denotes point prevalence ratio.

Point prevalence is the number of persons with a disease or attribute at a point in time.

Period prevalence is the number of persons who have had the disease or attribute at any time over a specified period.


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