| Ref ID | 190 |
| First Author | H. Kamioka |
| Journal | NUTRIENTS |
| Year Of Publishing | 2019 |
| URL | https://res.mdpi.com/d_attachment/nutrients/nutrients-11-01583/article_deploy/nutrients-11-01583-v3.pdf |
| Keywords |
• Nutrition • Risk of bias • Searching • Publication bias • Reproducibility • Pre-specification |
| Problem(s) |
• Methods not described to enable replication • Insufficient literature searches • Poor consideration of publication bias • Limited quality assessment or no risk of bias • Flawed risk of bias undertaken • Risk of bias not incorporated into conclusions of review • Low methodological (AMSTAR) quality • Lack of prespecification in eligibility criteria |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | Japan |
| Checklists |
• AMSTAR 1 |
| Aim | To assess the methodological quality of published systematic reviews of Food with Function claims registered in the Consumer Affairs Agency website in Japan between 2015 and 2017. |
| Level of Investigation | Descriptive |
| Summary of Findings | Of the 104 included systematic reviews of Food with Function claims registered in the Consumer Affairs Agency website in Japan between 2015 and 2017, quality was poor for seven items of the 11-item checklist. In particular, there were very poor descriptions and/or implementations of study selection and data extraction, search strategy, evaluation methods for risk of bias, assessment of publication bias, and formulating conclusions based on methodological rigor and scientific quality of the included studies. |
| Number of systematic reviews included | 104 |
| Number of eligible systematic reviews assessed | 294 |
| Treatment impacted | No |
| Treatment impacted description | |
| Interpretation impacted | Not Applicable |
| Interpretation impacted description |