| 组别 | 例数 | 1周 | 2周 | 1个月 | 2个月 |
| 治疗组 | 60 | 4.25 ± 0.83 | 3.01 ± 0.56 | 1.03 ± 0.39 | 0.67 ± 0.53 |
| 对照组 | 60 | 5.96 ± 0.67 | 4.23 ± 0.48 | 1.21 ± 0.61 | 0.74 ± 0.42 |
| t |
| −4.978 | −4.135 | −1.921 | −1.023 |
| P |
| 0.000 | 0.000 | 0.063 | 0.201 |