Systematic reviews with language restrictions and no author contact have lower overall credibility: a methodology study

Ref ID 632
First Author Z. Wang
Journal CLINICAL EPIDEMIOLOGY
Year Of Publishing 2015
URL https://www.dovepress.com/front_end/cr_data/cache/pdf/download_1618846282_607da24ae60b2/CLEP-78879-systematic-reviews-with-language-restrictions-and-no-author-_033115.pdf
Keywords Author
Missing data
Language
Endocrinology
Problem(s) Language restriction
Number of systematic reviews included 69
Summary of Findings Fewer than half of 69 included systematic reviews reported contacting study authors or searched non–English literature. Systematic reviews that did not conduct these two steps had lower AMSTAR quality scores
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? No