| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 11 |
1.2%
|
| 2 | Mild | 37 |
3.9%
|
| 3 | Moderate | 154 |
16.4%
|
| 4 | Severe | 580 |
61.8%
|
| 5 | Extreme | 156 |
16.6%
|
| Sysmiss | 3000 |