Condition
Incidence
Andrey Nailor, M.D.Published 25 March 20051 min read
Key points
- Incidence is the number of new cases of a condition, symptom, death, or injury that arise during a specific period of time, such as a year.
- It is often expressed as a percentage of a population (e.g., 25% of American residents were diagnosed with the flu in 2002).
- Incidence conveys the likelihood that an individual in that population will be affected by the condition.
Definition
Incidence is the number of new cases of a condition, symptom, death, or injury that arise during a specific period of time, such as a year. It is often expressed as a percentage of a population (e.g., 25% of American residents were diagnosed with the flu in 2002).
Incidence conveys the likelihood that an individual in that population will be affected by the condition.
Written and revised by
Andrey Nailor, M.D.
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