Incidence. Definition

Medical Definition: Incidence

Frequency of new cases of a listed disease in a given population over a period of time. Usually expressed in number per 100,000 inhabitants. Number of new cases of a disease that develop in a population during a period of time. There are two types of measures of incidence: cumulative incidence and incidence rate, also known as incidence density. The cumulative incidence (AI) is the proportion of healthy individuals who develop the disease over a period of time.

* Automatic translation