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Systematic Reviews
Copyright: ©Author(s) 2026.
World J Clin Cases. Apr 26, 2026; 14(12): 119171
Published online Apr 26, 2026. doi: 10.12998/wjcc.v14.i12.119171
Table 2 Risk of bias assessment for newly included observational studies (Newcastle-Ottawa Scale)
Ref.
Selection (★/4)
Comparability (★/2)
Outcome (★/3)
Total score (★/9)
Quality rating
Avallone et al[4], 2025 (Italy)★★★★★6/9Moderate quality
Abraheem et al[5], 2025 (United Kingdom)★★★★★6/9Moderate quality
Hagino et al[6], 2025 (Japan)★★★No star★★5/9Moderate quality


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