Incidence
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.
Updated: 4/30/2011
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.