| 病例组(n = 974) | 对照组 (n = 985) | OR值 | 95% CI | P值 | ||||
| I (n = 200) | II (n = 774) | I | II | I | II | I | II | |
子宫切除 | 10(5) | 75 (9.69) | 54 (5.48) | 0.907 | 1.850 | 0.454~1.814 | 1.286~2.660 | 0.783 | 0.001 |