Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Case-control and two-gate designs in diagnostic accuracy studies.

Anne W S Rutjes1, Johannes B Reitsma, Jan P Vandenbroucke

  • 1Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands. a.rutjes@amc.uva.nl

Clinical Chemistry
|June 18, 2005
PubMed
Summary

Diagnostic accuracy studies using case-control designs can inflate accuracy estimates due to spectrum effects. Researchers should carefully consider sampling schemes to ensure accurate test performance evaluation.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Venous thromboembolism after mechanical restraint in psychiatric hospitals: population based cohort and self-controlled case series study.

BMJ (Clinical research ed.)·2026
Same author

QUADAS-3 Explanation and Elaboration: Guidance for Quality Assessment of Diagnostic Test Accuracy Studies.

Annals of internal medicine·2026
Same author

QUADAS-3: A Revised Tool for the Quality Assessment of Diagnostic Test Accuracy Studies.

Annals of internal medicine·2026
Same author

Developing a framework for assessing the applicability of the target condition in diagnostic research.

Journal of clinical epidemiology·2025
Same author

Piloting QUADAS-3: a revised tool for the quality assessment of diagnostic accuracy studies.

Journal of clinical epidemiology·2025
Same author

[Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration - a Korean translation].

Ewha medical journal·2025

Area of Science:

  • Medical research methodology
  • Diagnostic test evaluation
  • Biostatistics

Background:

  • Diagnostic accuracy studies often employ case-control designs, comparing test results between diagnosed patients and controls.
  • While intuitive, these designs risk inflating diagnostic accuracy estimates.

Purpose of the Study:

  • To elucidate the differences between diagnostic and etiologic case-control studies.
  • To explain how differential sampling in diagnostic case-control studies can vary accuracy estimates.

Main Methods:

  • Comparative analysis of diagnostic and etiologic case-control study designs.
  • Discussion of sampling mechanisms and their impact on diagnostic accuracy.

Main Results:

Related Experiment Videos

  • Diagnostic accuracy studies are cross-sectional; etiologic studies examine exposure-disease relationships over time.
  • Spectrum effects, arising from restricted case/control sampling, can alter diagnostic accuracy.
  • Case-control studies should mimic cross-sectional designs for robust clinical performance evaluation.

    • Conclusions:

    • Spectrum effects can influence diagnostic accuracy, especially with differential sampling.
    • Researchers and clinicians must consider spectrum effects in study design and analysis for accurate test interpretation.