| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 48 |
4.9%
|
| 2 | Mild | 253 |
25.6%
|
| 3 | Moderate | 393 |
39.8%
|
| 4 | Severe | 233 |
23.6%
|
| 5 | Extreme | 61 |
6.2%
|
| Sysmiss | 2950 |