| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 24 |
2.2%
|
| 2 | Mild | 13 |
1.2%
|
| 3 | Moderate | 37 |
3.4%
|
| 4 | Severe | 210 |
19%
|
| 5 | Extreme | 820 |
74.3%
|
| Sysmiss | 3313 |