Table 7 Comparison of allele frequencies of the four polymorphisms according to gastric cancer recurrence after surgery
VEGF SNP |  | Advanced Gastric Cancer after curative resection (N = 71) | Recurrence after resection (N = 28) | P-value (adjust) | OR (95% CI) |
|---|---|---|---|---|---|
−936 C < T |  |  |  | 0.02* |  |
(0.04) | |||||
| Â | C allelic frequency | 77.5% | 89.3% | Â | 1.0 |
|  | T allelic frequency | 22.5 | 10.7 |  | 0.41 (0.19–.91) |
−634 C < G |  |  |  | 0.21 |  |
(0.27) | |||||
| Â | C allelic frequency | 44.4 | 35.7 | Â | 1.0 |
|  | G allelic frequency | 55.6 | 64.3 |  | 1.44 (0.81–2.53) |
−2578 C < A |  |  |  | 0.72 |  |
(0.84 | |||||
| Â | C allelic frequency | 74.6 | 76.8 | Â | 1.0 |
|  | A allelic frequency | 25.4 | 23.2 |  | 0.89 (0.46–1.69) |
−1612 G < A |  |  |  | 0.53 |  |
(0.66) | |||||
| Â | G allelic frequency | 83.8 | 80.4 | Â | 1.0 |
|  | A allelic frequency | 16.2 | 19.6 |  | 1.26 (0.61–2.61) |