- Framework of problems / Comprehensive
- Poor consideration of publication bias
- Search for unpublished data by systematic reviewers: an audit
| Ref ID | 728 |
| First Author | H. Ziai |
| Journal | BMJ OPEN |
| Year Of Publishing | 2017 |
| URL | https://dx.doi.org/10.1136/bmjopen-2017-017737 |
| Keywords |
Grey literature Publication bias General medical |
| Problem(s) |
Grey literature excluded Poor consideration of publication bias |
| Number of systematic reviews included | 203 |
| Summary of Findings | 36% of reviews did not describe an attempt to search for unpublished studies. Of those that did, 40% included unpublished data in analyses. 33% of reviews assessed publication bias and 40% of these reviews revealed evidence of publication bias. |
| 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 |