| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 13 |
1.3%
|
| 2 | Mild | 84 |
8.5%
|
| 3 | Moderate | 258 |
26.2%
|
| 4 | Severe | 533 |
54.1%
|
| 5 | Extreme | 98 |
9.9%
|
| Sysmiss | 2952 |