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Systematic Reviews
©Author(s) (or their employer(s)) 2026.
World J Clin Pediatr. Mar 9, 2026; 15(1): 111501
Published online Mar 9, 2026. doi: 10.5409/wjcp.v15.i1.111501
Table 14 Summary of risk of bias assessment across included studies
Study domain
No. of studies
Risk of bias assessment
Tools used
Observational studies (cohort, case-control)5437 low risk, 14 moderate, 3 highNewcastle-Ottawa scale
Randomized controlled trials65 low risk, 1 some concernsRoB 2.0 tool
Cross-sectional studies127 moderate risk, 5 high riskAXIS appraisal tool (when applicable)
Systematic reviews/meta-analyses32 low risk, 1 ModerateAMSTAR 2


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