Analytical, Diagnostic and Therapeutic Techniques, and Equipment

Prevalence

The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

7 entry terms
  • Prevalences
  • Period Prevalence
  • Point Prevalence
  • Period Prevalences
  • Point Prevalences
  • Prevalence, Period
  • Prevalence, Point

MeSH Record

Indexing Annotation

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

MeSH Record

History Note

90; was see PREVALENCE STUDIES 1989

MeSH Record

Previous Indexing

  • Prevalence Studies (1989)

MeSH Hierarchy

Tree Numbers

  1. E05.318w.308w.985w.525w.750w
  2. N01.224w.935w.597w.750w
  3. N06.850w.505.400w.975w.525w.750w
  4. N06.850w.520w.308w.985w.525w.750w

AMA Style

References

  1. National Library of Medicine. Prevalence. Medical Subject Headings (MeSH). 2026. Unique ID D015995. http://id.nlm.nih.gov/mesh/2026/D015995
  2. Prevalence. In: Wikipedia. https://en.wikipedia.org/wiki/Prevalence
  3. Prevalence. In: Wikidata. https://www.wikidata.org/wiki/Q719602