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Incidence

Definition

Incidence is the number of new cases of a condition, symptom, death, or injury that develop during a specific time period, such as a year.

Incidence shows the likelihood that a person in that population will be affected by the condition.

Review Date: 4/30/2011
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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