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VAS scores before and after treatment.
| VAS scores | Group C | Group H | P value |
|---|---|---|---|
| Presurgery | 7.15 ± 1.16 | 6.92 ± 1.16 | 0.476 |
| 1 week after treatment | 3.81 ± 0.85 | 3.42 ± 0.99 | 0.138 |
| 1 month after treatment | 3.38 ± 1.10* | 2.50 ± 1.10 | 0.006 |
| 3 months after treatment | 3.12 ± 1.24* | 2.19 ± 0.98 | 0.005 |
| 6 months after treatment | 3.65 ± 1.32* | 2.65 ± 1.16 | 0.006 |
Compared with C group, P < 0.05.
