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| Time | HPV-positive (%) | HPV-negative (%) | Total | χ2 | P* |
|---|---|---|---|---|---|
| Before treatment | 108 (79.41) | 28 (20.59) | 136 | 160.7805 | <0.0001 |
| 3 months after treatment | 23 (27.06) | 62 (72.94) | 85 | ||
| 6 months after treatment | 15 (17.86) | 69 (82.14) | 84 | ||
| 12 months after treatment | 6 (7.06) | 79 (92.94) | 85 | ||
| Control | 26 (26) | 74 (74) |
*, P<0.001 is considered statistically significant.
