Table 4. Allele frequencies and genotype distributions of hOGG1 Ser326Cys, APE1 Asp148Glu and XRCC1 Arg399Gln between the case and control groups.
| SNPs | Genotype | Case group (n=258) | Control group (n=272) | χ2 | OR (95% CI) | P-value |
|---|---|---|---|---|---|---|
| hOGG1 Ser326Cys | Ser/Ser | 58 (22.5%) | 94 (34.6%) | Ref. | ||
| Ser/Cys | 136 (52.7%) | 120 (44.1%) | 8.567 | 1.837 (1.220–2.765) | 0.003 | |
| Cys/Cys | 64 (24.8%) | 58 (21.3%) | 5.604 | 1.788 (1.103–2.899) | 0.018 | |
| Ser/Cys + Cys/Cys | 200 (77.5%) | 178 (65.4%) | 9.444 | 1.821 (1.240–2.675) | 0.002 | |
| Serine | 252 (48.8%) | 308 (56.6%) | Ref. | |||
| Cysteine | 264 (51.2%) | 236 (43.4%) | 6.433 | 1.367 (1.073–1.742) | 0.011 | |
| APE1 Asp148Glu | Asp/Asp | 44 (17.1%) | 61 (22.4%) | Ref. | ||
| Asp/Glu | 136 (52.7%) | 152 (55.9%) | 0.876 | 1.240 (0.790–1.948) | 0.349 | |
| Glu/Glu | 78 (30.2%) | 59 (21.7%) | 5.371 | 1.833 (1.096–3.066) | 0.021 | |
| Asp/Glu + Glu/Glu | 214 (82.9%) | 211 (77.6%) | 2.405 | 1.406 (0.913–2.166) | 0.121 | |
| Asparagine | 224 (43.4%) | 274 (50.4%) | Ref. | |||
| Glutamic acid | 292 (56.6%) | 270 (49.6%) | 5.145 | 1.323 (1.039–1.685) | 0.023 | |
| XRCC1 Arg399Gln | Arg/Arg | 103 (39.9%) | 148 (54.4%) | Ref. | ||
| Arg/Gln | 129 (50.0%) | 109 (40.1%) | 8.492 | 1.701 (1.189–2.433) | 0.004 | |
| Glu/Glu | 26 (10.1%) | 15 (5.5%) | 7.157 | 2.491 (1.257–4.934) | 0.008 | |
| Arg/Gln + Glu/Glu | 155 (60.1%) | 124 (45.6%) | 11.150 | 1.796 (1.272–2.536) | 0.001 | |
| Arginine | 335 (64.9%) | 405 (74.4%) | Ref. | |||
| Glutamic acid | 181 (35.1%) | 139 (25.6%) | 11.400 | 1.574 (1.209–2.050) | 0.001 |
Ref, control.