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Systematic Reviews
©The Author(s) 2026.
World J Methodol. Mar 20, 2026; 16(1): 107864
Published online Mar 20, 2026. doi: 10.5662/wjm.v16.i1.107864
Table 3 Quality assessment for observational/cross-sectional studies (Newcastle-Ottawa scale)
Ref.
Selection (4)
Comparability (2)
Outcome (3)
Total score
Bumma et al[13]4239
Joseph et al[22]4239
Wang et al[21]4239


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