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 a certain population will be newly affected by that condition in a specific period of time.

References

Taber's Cyclopedic Medical Dictionary. 24th ed. Incidence. Philadelphia, PA: F.A. Davis Company; 2021. www.tabers.com/tabersonline/view/Tabers-Dictionary/729742/0/incidence?q=Incidence. Accessed June 15, 2023.