| 变量 | n | PLNM (+) (n = 31) | PLNM (−) (n = 70) | t或χ2 | p | |
| 年龄(岁) | 49.26 ± 8.48 | 50.67 ± 8.63 | 0.763 | 0.679 | ||
| FIGO分期 | 5.178 | 0.023 | ||||
| IB1~IB3 | 53 | 11 | 42 | |||
| IIA1~IIA2 | 48 | 20 | 28 | |||
| 组织学分级 | 0.333 | 0.564 |