| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 86 |
7.8%
|
| 2 | Mild | 58 |
5.3%
|
| 3 | Moderate | 190 |
17.2%
|
| 4 | Severe | 500 |
45.3%
|
| 5 | Extreme | 270 |
24.5%
|
| Sysmiss | 3313 |