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. 2025 Nov 18;26(5):788–799. doi: 10.17305/bb.2025.13079

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© 2025 Xu et al.

This article is available under a Creative Commons License (Attribution 4.0 International, as described at https://creativecommons.org/licenses/by/4.0/).

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Figure 2. — Forest plot illustrating the allelic model (Ala [G] vs Pro [C]). Pooled odds ratios (OR) and 95% confidence intervals (CIs) were calculated to assess the association between the Ala (G) allele and the risk of gestational diabetes mellitus (GDM), utilizing the Hartung–Knapp random-effects model. The summary odds ratio was 0.90 (95% CI: 0.75–1.08, P ═ 0.26), accompanied by a 95% PI of 0.63–1.29 and a modest degree of heterogeneity (I² ═ 33.2%, τ² ═ 0.0403), indicating no significant association.