Time | Number | R-L classification (N) | |||
0 | I | II | III | ||
Before treatment | 32 | 0 | 0 | 21 | 11 |
After treatment | 32 | 20 | 8 | 4 | 0 |
The recovery rate of class 0: 62.5%; The recovery rate of class 0 - I: 87.5%. |