Health condition statistics are typically expressed in terms of incidence and prevalence in a particular population within a specific period of time.
Incidence is a measure of the number of new cases of a medical condition that occur in the population during a measured amount of time, usually one year.
Prevalence is defined as the total number of existing cases of a disease in a specific population at a stated point in time. In any one day, at a certain time, there are a specific number of people with a certain disorder.
통계에서 사용되는 용어이므로 , 사전에서 찾은 의미로는 이해하기가 힘들다.
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