Assessing risk of bias and applicability

Johannes B. Reitsma*, Anne W. Rutjes, Penny Whiting, Bada Yang, Mariska M. Leeflang, Patrick M. Bossuyt, Jonathan J. Deeks

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

The findings of the assessment of risk of bias and applicability play an important role in the systematic review process, in particular in the analysis and interpretation of results. This chapter focuses on assessing risk of bias and applicability for individual studies in a review. It also provides guidance on assessing comparative accuracy studies. A large number of methodological quality assessment tools are available for test accuracy studies. Because of the lack of a universal tool that can be used for test accuracy studies across all clinical domains and types of index tests, an initiative was started to develop a generic tool named QUADAS. QUADAS-2 is a revision of the original QUADAS tool. QUADAS-2 assesses the risk of bias of a study across four domains: participant selection, index test, reference standard, and flow and timing, as well as an overall assessment of risk of bias.

Original languageEnglish
Title of host publicationCochrane Handbook for Systematic Reviews of Diagnostic Test Accuracy
EditorsJ.J. Deeks, P.M. Bossuyt, M.M. Leeflang, Y. Takwoingi
PublisherJohn Wiley & Sons Inc.
Chapter8
Pages169-201
Number of pages33
ISBN (Electronic)9781119756187
ISBN (Print)9781119756163
DOIs
Publication statusPublished - 16 Jun 2023

Keywords

  • Applicability judgements
  • Comparative accuracy studies
  • Index test
  • Participant selection
  • QUADAS-2 tool
  • Quality assessment tools
  • Reference standard
  • Risk of bias
  • Test accuracy studies

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