| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 32 |
3.2%
|
| 2 | Mild | 130 |
13.2%
|
| 3 | Moderate | 420 |
42.6%
|
| 4 | Severe | 364 |
36.9%
|
| 5 | Extreme | 41 |
4.2%
|
| Sysmiss | 2951 |