| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 8 |
0.9%
|
| 2 | Mild | 48 |
5.1%
|
| 3 | Moderate | 97 |
10.4%
|
| 4 | Severe | 400 |
42.7%
|
| 5 | Extreme | 384 |
41%
|
| Sysmiss | 3001 |