| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 101 |
5.2%
|
| 2 | Mild | 234 |
11.9%
|
| 3 | Moderate | 597 |
30.5%
|
| 4 | Severe | 840 |
42.9%
|
| 5 | Extreme | 188 |
9.6%
|
| Sysmiss | 1978 |