| Ref ID | 607 |
| First Author | E. Runjic |
| Journal | JOURNAL OF CLINICAL EPIDEMIOLOGY |
| Year Of Publishing | 2019 |
| URL | https://www.sciencedirect.com/science/article/abs/pii/S0895435619304639 |
| Keywords |
• Protocols • Pain |
| Problem(s) |
• Unpublished or "zombie" reviews (the file-drawer effect) |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | Croatia |
| Aim | To assess characteristics of systematic reviews registered in PROSPERO from inception to May 2017 and to survey authors of unpublished systematic reviews about reasons for nonpublication. |
| Level of Investigation | Descriptive |
| Summary of Findings | In 2018, around half of systematic reviews had not been published at least 1.3 years after registration in PROSPERO. The majority of PROSPERO records had ‘‘ongoing’’ (76.3%) and ‘‘completed not published’’ (9.2%) status. Authors' main reasons for discontinuing systematic reviews were publication of a systematic review with a similar or same topic by another author team and rejection of the systematic review manuscript |
| Number of systematic reviews included | 1408 |
| Number of eligible systematic reviews assessed | 3115 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |