| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 198 |
20%
|
| 2 | Mild | 158 |
16%
|
| 3 | Moderate | 268 |
27.1%
|
| 4 | Severe | 316 |
32%
|
| 5 | Extreme | 49 |
5%
|
| Sysmiss | 2949 |