| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 11 |
1.2%
|
| 2 | Mild | 15 |
1.6%
|
| 3 | Moderate | 61 |
6.5%
|
| 4 | Severe | 455 |
48.6%
|
| 5 | Extreme | 395 |
42.2%
|
| Sysmiss | 3001 |