| 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 |
• Language • Missing data • Author • Endocrinology |
| Problem(s) |
• Language restriction |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | United States |
| Checklists |
• AMSTAR 1 |
| Aim | Endocrine-related systematic reviews were assessed to examine the association between language restriction, author contact for missing data, and the overall AMSTAR score. |
| Level of Investigation | Descriptive |
| 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 |
| Number of systematic reviews included | 69 |
| Number of eligible systematic reviews assessed | 69 |