| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 38 |
4.1%
|
| 2 | Mild | 311 |
33.3%
|
| 3 | Moderate | 379 |
40.6%
|
| 4 | Severe | 155 |
16.6%
|
| 5 | Extreme | 50 |
5.4%
|
| Sysmiss | 3005 |