| Ref ID | 602 |
| First Author | A. C. Tricco |
| Journal | JOURNAL OF CLINICAL EPIDEMIOLOGY |
| Year Of Publishing | 2009 |
| URL | https://www.jclinepi.com/article/S0895-4356(08)00271-0/fulltext |
| Keywords |
• General medical • Publication bias • Protocols |
| Problem(s) |
• Unpublished or "zombie" reviews (the file-drawer effect) |
| Article Type | Empirical |
| Article Subtype | Survey/questionnaire of authors opinions/practices |
| First Author Country | Canada |
| Aim | To contact authors of published systematic reviews to understand whether they have manuscripts of unpublished systematic reviews, and the reasons for not publishing the systematic reviews. |
| Level of Investigation | Descriptive |
| Summary of Findings | Respondents reported a total of 199 unpublished systematic reviews. Reasons for not publishing included lack of time, lack of funding or organizational support, manuscript being rejected or operational issues. |
| Number of systematic reviews included | 625 |
| Number of eligible systematic reviews assessed | 3340 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |