| Ref ID | 620 |
| First Author | T. Shamliyan |
| Journal | JOURNAL OF CLINICAL EPIDEMIOLOGY |
| Year Of Publishing | 2012 |
| URL | https://www.jclinepi.com/article/S0895-4356(11)00378-7/fulltext |
| Keywords |
• Risk of bias • Observational studies • Epidemiology |
| Problem(s) |
• Inclusion of observational / non-randomised studies • No quality assessment undertaken or reported • Limited quality assessment or no risk of bias |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | United States |
| Aim | To evaluate how systematic reviews assess the quality of observational nontherapeutic studies published in English from 1966 through June 2008 |
| Level of Investigation | Descriptive |
| Summary of Findings | Planned quality assessment was reported in 37% of systematic reviews; just over half of the systematic reviews (number not reported) used the quality of primary studies in their evidence syntheses |
| Number of systematic reviews included | 145 |
| Number of eligible systematic reviews assessed | 1053 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |