| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 38 |
15.4%
|
| 2 | Moderatee | 171 |
69.2%
|
| 3 | Severe | 37 |
15%
|
| 9 | 1 |
0.4%
|
|
| Sysmiss | 19591 |