borderline significantp = 0.056
MR-Egger regression yielded a borderline significant positive effect (OR: 1.231, 95% CI: 0.995–1.523, p = 0.056), whereas the weighted median estimator demonstrated stronger evidence for causality (OR: 1.157, 95% CI: 1.077–1.241, p = 5.72 × 10 −5 ) ( Figure 5(a) ).