| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 144 |
19.1%
|
| 2 | Same | 438 |
58.2%
|
| 3 | Worsened | 167 |
22.2%
|
| 4 | Not applicable | 3 |
0.4%
|
| Sysmiss | 3868 |