| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 29 |
3%
|
| 2 | Mild | 67 |
6.8%
|
| 3 | Moderate | 257 |
26.1%
|
| 4 | Severe | 528 |
53.7%
|
| 5 | Extreme | 102 |
10.4%
|
| Sysmiss | 2955 |