| Ref ID | 191 |
| First Author | H. Kamioka |
| Journal | NUTRITION RESEARCH |
| Year Of Publishing | 2017 |
| URL | https://pubmed.ncbi.nlm.nih.gov/28473057/ |
| Keywords |
• Nutrition • Risk of bias • Publication bias • Protocols |
| Problem(s) |
• No registered or published protocol • Poor consideration of publication bias • No quality assessment undertaken or reported • Risk of bias not incorporated into conclusions of review • Low methodological (AMSTAR) quality |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | Japan |
| Checklists |
• AMSTAR 1 |
| Aim | To assess the methodological quality (AMSTAR) of systematic reviews of Foods with Function Claims registered at the Consumer Affairs Agency website in Japan. |
| Level of Investigation | Descriptive |
| Summary of Findings | The quality of the systematic reviews of Foods with Function Claims was poor (mean AMSTAR ± SD; 6.2 ± 1.8 points, range; 2-11 points). In particular there was poor registration (2%), evaluation of publication bias (12%), and appropriate conclusions based on scientific quality of the included studies (27%). |
| Number of systematic reviews included | 49 |
| Number of eligible systematic reviews assessed | 118 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |