| | Association with leukemic risk (OR, 95% CI, value, study) | No association with leukemic risk (OR, 95% CI, value, study) |
| Combined GSTM1 and GSTT1 null genotypes | OR = 9.47, 95% CI = 3.61–24.87, , Özten et al. [11] | — | OR = 1.79, 95 % CI = 1.24–2.58, , He et al. [8] | OR = 3.09, 95% CI = 1.12–8.52, , Bhat et al. [9] |
| GSTT1 null genotypes | OR = 1.57, 95 % CI = 1.15–2.14, , He et al. [8] | OR = 1.34, 95% CI = 0.75–2.40, , Löffler et al. [12] | OR = 2.12, 95% CI = 1.12–4.02; , Bhat et al. [9] | OR = 3.53, 95% CI = 2.08–6.00, , Özten et al. [11] | OR = 2.82, 95% CI = 1.58–5.05, , Taspinar et al. [20] | OR = 1.64, 95% CI = 1.03–2.63, , Zhou et al. [21] |
| GSTM1 null genotypes | — | OR = 0.94, 95% CI = 0.81–1.08, , He et al. [8] | OR = 1.327, 95% CI = 0.73–2.40; , Bhat et al. [9] | OR = 1.11, 95% CI = 0.69–1.80, , Özten et al. [11] | OR = 0.92, 95% CI = 0.58–1.46, , Löffler et al. [12] | OR = 1.20; 95% CI = 0.78–1.85; , Zhou et al. [21] |
| GSTP1 Ile105Val genotypes | , Sailaja et al. [10] | , Karkucak et al. [7] | OR = 1.64; 95% CI = 1.03–2.63; , Zhou et al. [21]. |
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