The logistic modeling of sensitivity, specificity, and predictive value of a diagnostic test

Steven S. Coughlin, Bruce Trock, Michael H. Criqui, Linda W. Pickle, Deirdre Browner, Mariella C. Tefft

Research output: Contribution to journalArticle

Abstract

A method is described for modeling the sensitivity, specificity, and positive and negative predictive values of a diagnostic test. To model sensitivity and specificity, the dependent variable (Y) is defined to be the dichotomous results of the screening test, and the presence or absence of disease, as defined by the "gold standard", is included as a binary explanatory variable (X1), along with variables used to define the subgroups of interest. The sensitivity of the screening test may then be estimated using logistic regression procedures. Modeled estimates of the specificity and predictive values of the screening test may be similarly derived. Using data from a population-based study of peripheral arterial disease, the authors demonstrated empirically that this method may be useful for obtaining smoothed estimates of sensitivity, specificity, and predictive values. As an extension of this method, an approach to the modeling of the relative sensitivity of two screening tests is described, using data from a study of screening procedures for colorectal disease as an example.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalJournal of Clinical Epidemiology
Volume45
Issue number1
DOIs
StatePublished - 1992
Externally publishedYes

Fingerprint

Routine Diagnostic Tests
Sensitivity and Specificity
Predictive Value of Tests
Peripheral Arterial Disease
Logistic Models
Population

Keywords

  • Epidemiologic methods
  • Mathematical modeling
  • Predictive value
  • Screening
  • Sensitivity
  • Specificity

ASJC Scopus subject areas

  • Medicine(all)
  • Epidemiology
  • Public Health, Environmental and Occupational Health

Cite this

The logistic modeling of sensitivity, specificity, and predictive value of a diagnostic test. / Coughlin, Steven S.; Trock, Bruce; Criqui, Michael H.; Pickle, Linda W.; Browner, Deirdre; Tefft, Mariella C.

In: Journal of Clinical Epidemiology, Vol. 45, No. 1, 1992, p. 1-7.

Research output: Contribution to journalArticle

Coughlin, Steven S. ; Trock, Bruce ; Criqui, Michael H. ; Pickle, Linda W. ; Browner, Deirdre ; Tefft, Mariella C. / The logistic modeling of sensitivity, specificity, and predictive value of a diagnostic test. In: Journal of Clinical Epidemiology. 1992 ; Vol. 45, No. 1. pp. 1-7.
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