| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 112 |
5.7%
|
| 2 | Mild | 301 |
15.4%
|
| 3 | Moderate | 627 |
32%
|
| 4 | Severe | 811 |
41.4%
|
| 5 | Extreme | 109 |
5.6%
|
| Sysmiss | 1978 |