II. Definition

  1. Number of new disease cases per population at risk
    1. High Incidence implies high disease occurrence
    2. Low Incidence implies low disease occurrence
  2. Measured over a given time interval

III. Usage

  1. Determine probability of developing a specific disease
  2. Used to detect etiologic factors

IV. References

  1. Hennekens (1987) Epidemiology Medicine, p.54-98

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Ontology: Incidence (C0021149)

Definition (CHV) incidence
Definition (CHV) incidence
Definition (CHV) incidence
Definition (NCI) The relative frequency of occurrence of something.
Definition (NCI_NCI-GLOSS) The number of new cases of a disease diagnosed each year.
Definition (MSH) The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PREVALENCE, which refers to all cases, new or old, in the population at a given time.
Concepts Quantitative Concept (T081)
MSH D015994
English Incidence, Incidences, incidences, number of new disease cases, incidence
Swedish Incidens
Czech incidence
Finnish Ilmaantuvuus
Polish Badania ilości nowych zachorowań, Zapadalność, Występowanie nowych zachorowań
Norwegian Hyppighet, Insidens
Spanish Tasa de Incidencia, Coeficiente de Incidencia, Incidencia
Portuguese Coeficiente de Incidência, Taxa de Incidência, Incidência
French Incidence
German Inzidenz
Italian Incidenza
Dutch Incidentie