Table 1. Checklist for UR5,22,24 .
| Section | Preferred reporting items of UR | |
|---|---|---|
| Title | Declare the report to be an UR. | |
| Abstract | Describe the purpose, methods, and results of UR. | |
| Introduction | Explain the justification for performing the UR and indicate clearly what objective(s) and question(s) the UR aims to address. | |
| Methods | 1) | Eligibility criteria and information source: specify the UR’s inclusion and exclusion criteria and all databases or the other information sources. Indicate a date when each source was last searched. |
| 2) | Study selection: display all search strategies for all information sources including databases so that they may be reproduced. | |
| 3) | Data collection: describe the methods used to collect data from studies. List and specify all variables and outcomes for which data were collected. | |
| 4) | Risk of bias assessment: describe the methods used to evaluate risk of bias or methodological quality. | |
| 5) | Data synthesis: describe the methods used to summarize or synthesize the results; investigate potential sources of heterogeneity in results; identify sensitivity analyses to evaluate the robustness of results. | |
| 6) | Reporting bias assessment: describe the methods used to evaluate the risk of bias due to missing results. | |
| 7) | Certainty assessment: describe the methods used to evaluate certainty or confidence in the body of evidence for an outcome. | |
| Results | 1) | Report the results of study search and selection. |
| 2) | List the specifics of each systematic review and supplemental primary study and display its characteristics. | |
| 3) | Describe the extent of which the primary studies in the included systematic reviews overlap. | |
| 4) | Present the evaluation of risk of bias or methodological quality of each included systematic review. | |
| 5) | Provide summarization of the data from included systematic reviews. | |
| If meta-analyses were performed, display each summary estimate and measure of its precision, heterogeneity measure, and results of sensitivity analyses. | ||
| 6) | Present assessment of the risk of bias due to missing primary studies. | |
| 7) | Present assessment of evidence certainty in the body of evidence for each outcome. | |
| Discussion | 1) | Summarize the main findings and offer an overall interpretation of the findings. |
| 2) | Discuss the limitations on the data from systematic reviews and their primary studies. | |
| 3) | Discuss the limitations on any UR methodology applied. | |
| 4) | Discuss the implications for future study, policy, and practice. | |
| 5) | Consider the findings’ significance for healthcare providers, policymakers, and patients. | |
UR, umbrella review.