QUADAS-2: an updated quality assessment tool for diagnostic accuracy studies

Heike Raatz, Penny Whiting, Marie Westwood, Anne W. Rutjes, Susan Mallett, Mariska Leeflang, Johannes B. Reitsma, Jon Deeks, Jonathan Sterne & Patrick Bossuyt
Background: QUADAS was developed in 2003 to assess the quality of diagnostic test accuracy (DTA) studies included in systematic reviews [ref:1]. Its 14 items assess risk of bias, variability and reporting quality. Personal experience, anecdotal reports, and feedback via Cochrane suggested [for full text, please go to the a.m. URL]