| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 4 |
0.4%
|
| 2 | Mild | 20 |
2.1%
|
| 3 | Moderate | 115 |
12.3%
|
| 4 | Severe | 383 |
40.9%
|
| 5 | Extreme | 415 |
44.3%
|
| Sysmiss | 3001 |