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. 2018 Sep 15;10(9):2764–2780.

Figure 2.

Figure 2

Labbe plots, sensitivity analysis plots and contour-enhanced funnel plots of the included studies focusing on the association between OPRM1-A118G Polymorphism and postoperative nausea risks. Labbe plots in allele model (A), homozygote model (B), heterozygote model (C) and dominant model (D). Sensitivity analysis for nausea in allele model (E), homozygote model (F), heterozygote model (G), and dominant model (H). Contour-enhanced funnel plots for nausea in allele model (I), homozygote model (J), heterozygote model (K), and dominant model (L).