| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 22 |
2%
|
| 2 | Mild | 11 |
1%
|
| 3 | Moderate | 59 |
5.4%
|
| 4 | Severe | 383 |
34.8%
|
| 5 | Extreme | 627 |
56.9%
|
| Sysmiss | 3315 |