|
|
| 1级 | 2级 | 3级 | 4级 | 5级 | 6级 | 7级 |
| 对照组 | 治疗前 | 0 | 8 | 12 | 7 | 2 | 1 | 0 |
| 治疗后 | 0 | 0 | 3 | 3 | 10 | 6 | 8 | |
| 治疗组 | 治疗前 | 0 | 10 | 13 | 5 | 2 | 0 | 0 |
| 治疗后 | 0 | 0 | 0 | 1 | 4 | 13 | 12 |