Analytical, Diagnostic and Therapeutic Techniques, and Equipment

Incidence

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 in the population at a given time.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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 in the population at a given time.

MeSH Record

Classification

Broader headings

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See Also

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Synonyms

21 entry terms
  • Incidences
  • Attack Rate
  • Cumulative Incidence
  • Incidence Proportion
  • Incidence Rate
  • Person-time Rate
  • Secondary Attack Rate
  • Attack Rate, Secondary
  • Attack Rates
  • Cumulative Incidences
  • Incidence Proportions
  • Incidence Rates
  • Incidence, Cumulative
  • Person time Rate
  • Person-time Rates
  • Proportion, Incidence
  • Rate, Attack
  • Rate, Incidence
  • Rate, Person-time
  • Rate, Secondary Attack
  • Secondary Attack Rates

MeSH Record

Indexing Annotation

IM general only; coordinate NIM with disease /epidemiol; specify geographic term if pertinent

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History Note

90; was see INCIDENCE STUDIES 1989

MeSH Record

Previous Indexing

  • Incidence Studies (1989)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Incidence. Medical Subject Headings (MeSH). 2026. Unique ID D015994. http://id.nlm.nih.gov/mesh/2026/D015994
  2. Incidence. In: Wikipedia. https://en.wikipedia.org/wiki/Incidence_(epidemiology)
  3. Incidence. In: Wikidata. https://www.wikidata.org/wiki/Q217690