Systematic reviews published in emergency medicine journals do not routinely search clinical trials registries: a cross-sectional analysis

Ref ID 189
First Author L. G. Keil
Journal ANNALS OF EMERGENCY MEDICINE
Year Of Publishing 2015
URL https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4408207/pdf/nihms633337.pdf
Keywords Grey literature
Emergency medicine
Searching
Problem(s) Lack of supplementary searches beyond databases
Grey literature excluded
Number of systematic reviews included 41
Summary of Findings Only eight (20%) of the 41included systematic reviews of emergency medicine searched a clinical trials registry. For 4 of these 8 reviews, the registry search identified at least 1 relevant unpublished study.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Not Applicable
Are the methods of the article described in enough detail to replicate the study? Yes