| 组别 | 例数 | HPV阴性 | HPV阳性 | 转阴率 |
| 对照组 | 30 | 11 (36.67) | 19 (63.33) | 36.67% |
| 试验组 | 30 | 21 (70.00) | 9 (30.00) | 70% |
| χ2 |
|
|
| 6.696 |
| P |
|
|
| 0.010 |