Research Article
TDG Gene Polymorphisms and Their Possible Association with Colorectal Cancer: A Case Control Study
Table 2
Genotype frequencies of TDG gene polymorphism in colorectal cases and controls.
| SNP | Variant | Patients Cases | Controls | OR | CI | χ2 Value | p-value |
| rs4135050 | TT | 58 (0.58) | 124 (0.65) | Ref | | | | TA | 34 (0.34) | 55 (0.29) | 1.322 | 0.779–2.244 | 1.07 | 0.30107 | AA | 8 (0.08) | 12 (0.06) | 1.425 | 0.553–3.676 | 0.54 | 0.46173 | TA+AA | 42 (0.42) | 67 (0.35) | 1.340 | 0.816–2.201 | 1.34 | 0.24664 | T | 150 (0.75) | 303 (0.79) | Ref | | | | A | 50 (0.25 | 79 (0.21) | 1.278 | 0.853–1.916 | 1.42 | 0.23347 |
| rs1882018 | CC | 58 (0.58) | 118 (0.62) | Ref | | | | CT | 32 (0.32) | 59 (0.31) | 1.103 | 0.648–1.880 | 0.13 | 0.71725 | TT | 10 (0.10) | 14 (0.07) | 1.453 | 0.609–3.470 | 0.71 | 0.39800 | CT+TT | 42 (0.42) | 73 (0.38) | 1.171 | 0.715–1.916 | 0.39 | 0.53104 | C | 148 (0.74) | 295 (0.77) | Ref | | | | T | 52 (0.26) | 87 (0.23) | 1.191 | 0.802–1.771 | 0.75 | 0.38613 |
| rs4135066 | CC | 4 (0.04) | 14 (0.08) | Ref | | | | CT | 38 (0.38) | 58 (0.30) | 2.293 | 0.702–7.493 | 1.96 | 0.16114 | TT | 58 (0.58) | 119 (0.62) | 1.706 | 0.538–5.413 | 0.84 | 0.35998 | CT+TT | 96 (0.96) | 177 (0.92) | 1.898 | 0.608–5.927 | 1.25 | 0.26277 | C | 46 (0.23) | 86 (0.23) | Ref | | | | T | 154 (0.77) | 296 (0.77) | 0.973 | 0.647–1.462 | 0.02 | 0.89402 |
| rs3751209 | GG | 51 (0.51) | 87 (0.46) | Ref | | | | GA | 38 (0.38) | 88 (0.46) | 0.737 | 0.441–1.232 | 1.36 | 0.24320 | AA | 11 (0.11) | 16 (0.08) | 1.173 | 0.505–2.722 | 0.14 | 0.71041 | GA+AA | 49 (0.49) | 104 (0.54) | 0.804 | 0.495–1.305 | 0.78 | 0.37654 | G | 140 (0.70) | 262 (0.69) | Ref | | | | A | 60 (0.30) | 120 (0.31) | 0.936 | 0.645–1.357 | 0.12 | 0.72602 |
| rs1866074 | AA | 22 (0.22) | 24 (0.12) | Ref | | | | AG | 39 (0.39) | 82 (0.43) | 0.519 | 0.260–1.037 | 3.50 | 0.06152 | GG | 39 (0.39) | 85 (0.45) | 0.501 | 0.251–1.000 | 3.91 | 0.04799 | AG+GG | 78 (0.78) | 167 (0.88) | 0.510 | 0.269–0.964 | 4.39 | 0.03615 | A | 83 (0.42) | 130 (0.34) | Ref | | | | G | 117 (0.58) | 252 (0.66) | 0.727 | 0.511–1.034 | 3.16 | 0.07567 |
| rs4135113 | GG | 75 (0.75) | 156 (0.82) | Ref | | | | GA | 18 (0.18) | 31 (0.16) | 1.208 | 0.635–2.297 | 0.33 | 0.56458 | AA | 7 (0.07) | 4 (0.02) | 3.640 | 1.034–12.819 | 4.55 | 0.03286 | GA+AA | 25 (0.25) | 35 (0.18) | 1.486 | 0.830–2.660 | 1.79 | 0.18130 | G | 168 (0.84) | 343 (0.90) | Ref | | | | A | 32 (0.16) | 39 (0.10) | 1.675 | 1.013–2.769 | 4.11 | 0.04264 |
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