In current use, incidence usually means "rate of occurrence" and is often qualified in some way ("a high incidence of bear sightings"). Incident usually refers to a particular event, often …

Offering a helpful definition of incidence in epidemiology, the National Center for Health Statistics (NCHS) describes this as the "number of cases of disease having their onset during a …

Incidence should not be confused with prevalence, which is the proportion of cases in the population at a given time rather than rate of occurrence of new cases.

INCIDENCE OF SOMETHING meaning: 1. the rate at which something, especially a disease, happens: 2. the rate at which something…. Learn more.

Aug 12, 2022 · Measuring incidence may be complicated because the population at risk for the disease may change during the period of interest due to births, deaths, or migration, for example.

Incidence specifies the number of new diagnoses for the at-risk population of a disease. Changing the specified population will also change the incidence. For example, the incidence of stroke is …

INCIDENCE definition: the rate or range of occurrence or influence of something, especially of something unwanted. See examples of incidence used in a sentence.

incidence, in epidemiology, occurrence of new cases of disease, injury, or other medical conditions over a specified time period, typically calculated as a rate or proportion.

Jun 30, 2025 · The term "incidence rate" refers to the rate at which new, impactful events occur over a specific period. This measure is commonly used in epidemiology as a way to denote …

Apr 1, 2025 · 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.