| 变量 | 类别 | 总数 | 测试集 | 训练集 | P值 |
| 年龄 | ≤65岁 | 232 (62.7%) | 73 (65.77%) | 159 (61.39%) | 0.4963 |
|
| >65岁 | 138 (37.3%) | 38 (34.23%) | 100 (38.61%) |
|
| 性别 | 女性 | 121 (32.7%) | 40 (36.04%) | 81 (31.27%) | 0.439 |
|
| 男性 | 249 (67.3%) | 71 (63.96%) | 178 (68.73%) |
|
| 病理分级 | G1 | 55 (14.86%) | 19 (17.12%) | 36 (13.9%) | 0.4038 |
|
| G2 | 177 (47.84%) | 56 (50.45%) | 121 (46.72%) |
|
|
| G3 | 121 (32.7%) | 29 (26.13%) | 92 (35.52%) |
|
|
| G4 | 12 (3.24%) | 4 (3.6%) | 8 (3.09%) |
|
|
| 未知 | 5 (1.35%) | 3 (2.7%) | 2 (0.77%) |
|
| 分期 | I期 | 171 (46.22%) | 53 (47.75%) | 118 (45.56%) | 0.4136 |
|
| II期 | 85 (22.97%) | 22 (19.82%) | 63 (24.32%) |
|
|
| III期 | 85 (22.97%) | 26 (23.42%) | 59 (22.78%) |
|
|
| IV期 | 5 (1.35%) | 0 (0%) | 5 (1.93%) |
|
|
| 未知 | 24 (6.49%) | 10 (9.01%) | 14 (5.41%) |
|
| T | T1 | 181 (48.92%) | 57 (51.35%) | 124 (47.88%) | 0.8794 |
|
| T2 | 93 (25.14%) | 25 (22.52%) | 68 (26.25%) |
|
|
| T3 | 80 (21.62%) | 23 (20.72%) | 57 (22.01%) |
|
|
| T4 | 13 (3.51%) | 4 (3.6%) | 9 (3.47%) |
|
|
| 未知 | 3 (0.81%) | 2 (1.8%) | 1 (0.39%) |
|
| M | M0 | 266 (71.89%) | 84 (75.68%) | 182 (70.27%) | 0.4179 |
|
| M1 | 4 (1.08%) | 0 (0%) | 4 (1.54%) |
|
|
| 未知 | 100 (27.03%) | 27 (24.32%) | 73 (28.19%) |
|
| N | N0 | 252 (68.11%) | 78 (70.27%) | 174 (67.18%) | 1 |
|
| N1 | 4 (1.08%) | 1 (0.9%) | 3 (1.16%) |
|
|
| 未知 | 114 (30.81%) | 32 (28.83%) | 82 (31.66%) |
|