| Ref ID | 374 |
| First Author | S. Golder |
| Journal | JOURNAL OF CLINICAL EPIDEMIOLOGY |
| Year Of Publishing | 2016 |
| URL | https://www.jclinepi.com/article/S0895-4356(16)30135-4/fulltext |
| Keywords |
• Grey literature • General medical |
| Problem(s) |
• Grey literature excluded • Reliance on randomised controlled trials for harms / safety data |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | United Kingdom |
| Aim | To assess the proportion of systematic reviews of adverse effects which search for unpublished data and the success rates of identifying unpublished data for inclusion in a systematic review for all records published in 2014 in the Database of Abstracts of Reviews of Effects. |
| Level of Investigation | Descriptive |
| Summary of Findings | Only 39% of all the included reviews searched a specific source for unpublished data, such as conference abstracts or trial registries, and nearly half of these reviews (48%) included unpublished data. Overall, 22% of reviews included unpublished data/studies |
| Number of systematic reviews included | 348 |
| Number of eligible systematic reviews assessed | 9129 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |