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Incidence

Last revised by Dr Daniel J Bell on 08 Jun 2020

The incidence is an epidemiological term for the number of new cases of a condition (e.g. brain tumors or diabetes), in a given population, during a specified time interval. The formulas for incidence can express it as a rate or a proportion, e.g. x new cases / y population count / z time period, or at given time, e.g. x new cases / y population count. Incidence should not be confused with prevalence.

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Cases and figures

  • Brain tumor incidence (graph)
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