CASE-CONTROL STUDIES

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Abstract

Case-control studies are analytical observational epidemiological studies generally devoted to evaluate factors associated with infrequent diseases. Its hierarchy within the pyramid of evidence lies in an intermediate place between cross sectional and cohort studies. The measure of association used for these studies is the Odds Ratio. Some variants of this design, such as incident and nested case studies and nested case-control studies (within a cohort) can reduce the risk of selection bias. The basic concepts related to this type of studies are reviewed.

Translated title of the contributionESTUDIOS DE CASOS Y CONTROLES
Original languageEnglish
Pages (from-to)138-143
Number of pages6
JournalRevista de la Facultad de Medicina Humana
Volume20
Issue number1
DOIs
StatePublished - 1 Mar 2020
Externally publishedYes

Keywords

  • Cases-Control
  • Causality
  • Epidemiology
  • Observational study. (source: MeSH NLM)

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