| 病理因素 | 并发症 | X2 | P值 | |
| 有 | 无 | |||
| 肿瘤T分期 |
|
| 12.323 | 0.006 |
| T1 | 26 | 155 | ||
| T2 | 16 | 98 | ||
| T3 | 79 | 243 | ||
| T4 | 26 | 73 | ||
| 肿瘤N分期 |
|
| 17.128 | 0.001 |
| N0 | 59 | 253 | ||
| N1 | 12 | 109 | ||
| N2 | 31 | 99 | ||
| N3 | 45 | 108 | ||
| 淋巴结清扫数目 |
|
| 0.008 | 0.929 |
| <20 | 67 | 257 | ||
| ≥20 | 80 | 312 | ||
| 脉管癌栓 |
|
| 2.739 | 0.098 |
| 有 | 32 | 91 | ||
| 无 | 115 | 207 | ||
| 神经浸润 |
|
| 0.076 | 0.783 |
| 有 | 31 | 126 | ||
| 无 | 116 | 443 | ||
| 肿瘤直径(cm) |
|
| 8.894 | 0.003 |
| <4 | 74 | 363 | ||
| ≥4 | 73 | 206 | ||