| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 16 |
0.7%
|
| 2 | Mild | 44 |
2%
|
| 3 | Moderate | 218 |
10.1%
|
| 4 | Severe | 919 |
42.5%
|
| 5 | Extreme | 966 |
44.7%
|
| Sysmiss | 2254 |