Table 1 Patient and tumor characteristics in the training and test cohorts
|  | Training(N = 153) | Test (N = 52) | P Value |
|---|---|---|---|
Gender | Â | Â | 0.125 |
 Male | 109(71.2%) | 31(59.6%) |  |
 Female | 44(28.8%) | 21(40.4%) |  |
Age | Â | Â | 0.483 |
 Median (IQR) | 60(54, 66) | 60(57, 65) |  |
Location | Â | Â | 0.226 |
 Up | 6(3.9%) | 2(3.9%) |  |
 Mid | 99(64.7%) | 40(76.9%) |  |
 Down | 48(31.4%) | 10(19.2%) |  |
Drinking | Â | Â | 0.103 |
 Yes | 64(41.8%) | 15(28.8%) |  |
 No | 89(58.2%) | 37(71.2%) |  |
Smoking | Â | Â | 0.331 |
 Yes | 90(58.8%) | 26(50.0%) |  |
 No | 63(41.2%) | 26(50.0%) |  |
Genetic History | Â | Â | 0.575 |
 Yes | 35(22.9%) | 14(26.9%) |  |
 No | 118(77.1%) | 38(73.1%) |  |
Grade | Â | Â | 0.123 |
 G1 | 11(7.2%) | 0(0.0%) |  |
 G2 | 112(73.2%) | 40(76.9%) |  |
 G3 | 30(19.6%) | 12(23.1%) |  |
TNM | Â | Â | 0.369 |
 I | 16(10.5%) | 9(17.3%) |  |
 II | 80(52.3%) | 27(51.9%) |  |
 III | 57(37.2%) | 16(30.8%) |  |
Lymph Node Metastasis | Â | Â | 0.195 |
 Yes | 70(45.8%) | 18(34.6%) |  |
 No | 83(54.2%) | 34(65.4%) |  |