| Ref ID | 79 |
| First Author | H. Hasan |
| Journal | CANCER EPIDEMIOLOGY |
| Year Of Publishing | 2017 |
| URL | https://www.sciencedirect.com/science/article/abs/pii/S1877782117301406?via%3Dihub |
| Keywords |
• Transparency • Disclosure • Oncology • Grey literature • Publication bias • Low reporting quality • Searching • Risk of bias |
| Problem(s) |
• Insufficient literature searches • Grey literature excluded • Reasons for excluding potentially eligible studies not provided • Single reviewer / lack of double checking • Poor consideration of publication bias • No quality assessment undertaken or reported • Conflicts of interest or funding of included studies not assessed • Low methodological (AMSTAR) quality • Conflict of interest statement or disclosures for review authors missing • Risk of bias not incorporated into conclusions of review |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | Canada |
| Checklists |
• AMSTAR 1 |
| Aim | To assess the methodological quality of systematic reviews of radiation oncology published across multiple databases from 1966 to 2015. |
| Level of Investigation | Descriptive |
| Summary of Findings | The majority of included systematic reviews had below fair AMSTAR quality. 0% of included reviews reported conflicts of interest. 6% of studies provided a list of excluded studies; grey literature was included in only 24% of reviews; duplicate study selection and data extraction were performed in 31% of reviews; quality assessment was incorporated into 31% of review conclusions; a comprehensive literature search was performed in 35% of reviews; quality assessment was performed/reported in 43% of reviews. |
| Number of systematic reviews included | 157 |
| Number of eligible systematic reviews assessed | 4281 |