Searching practices and inclusion of unpublished studies in systematic reviews of diagnostic accuracy

Ref ID 693
First Author D.A. Korevaar
Journal RESEARCH SYNTHESIS METHODS
Year Of Publishing 2020
URL https://dx.doi.org/10.1002/jrsm.1389
Keywords • Diagnostic
• Language
• Grey literature
Problem(s) • Grey literature excluded
• Language restriction
Number of systematic reviews included 200
Summary of Findings 56% of non-Cochrane reviews and 6% on non-Cochrane reviews imposed language restrictions on searches.1.9% of studies included in non-Cochrane reviews were unpublished, and 2.3% of studies in Cochrane reviews.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? N/A
Are the methods of the article described in enough detail to replicate the study? Yes