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Fig. 2 | Systematic Reviews

Fig. 2

From: Methodological quality and reporting standards in systematic reviews with meta-analysis of physical activity studies: a report from the Strengthening the Evidence in Exercise Sciences Initiative (SEES Initiative)

Fig. 2

Overview of the adherence to recommended practices: items (n = 36) per SRMA (n = 103). Rows refer to items/recommended practices (n = 36) and columns refer to systematic reviews with meta-analysis (n = 103). The studies are organized in descending order of adherence to the items/recommended practices (from left to right). Four items of transparency: 1T: Registration; 2T: Protocol; 3T: Available searches; 4T: Data Statement. Eleven items of completeness: 1C: Title as SRMA; 2C: Data sources (abstract); 3C: Key eligibility criteria (abstract); 4C: Number of included studies (abstract); 5C: Research question; 6C: PICOS explanation; 7C: Number of references; 8C: Description of sample sizes; 9C: Duration of included studies; 10C: Sources of funding; 11C: Potential conflicts of interest. Two items of participants: 1P: Description of participants (abstract); 2P: Detailed studies' characteristics. Two items of interventions/exposures: 1I: Description of interventions/exposures (ab); 2I: Detailed studies' characteristics. Five items of outcome: 1O: Main outcome of interest (abstract); 2O: Statistical methods; 3O: Statistical heterogeneity; 4O: Meta-analytic summary estimates; 5O: Statistics per study. Seven items of methodological rigor 1M: Searches in grey literature; 2M: Searches from inception or with justification; 3M: Number of languages; 4M: Study selection in duplicate; 5M: Data extraction in duplicate; 6M: Description of Risk of Bias assessment; 7M: Risk of Bias assessment in duplicate. Five items of critical appraisal: 1Cr: Risk of Bias results within studies; 2Cr: Description of protocol deviations; 3Cr: Presence of spin bias; 4Cr: Discussion addressing Risk of Bias; 5Cr: Limitations thoroughly addressed. The list with the identification of the studies in this same order is available in the Additional file 7

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