| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 19 |
1.7%
|
| 2 | Mild | 23 |
2.1%
|
| 3 | Moderate | 73 |
6.6%
|
| 4 | Severe | 420 |
38.2%
|
| 5 | Extreme | 565 |
51.4%
|
| Sysmiss | 3317 |