| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 23 |
2.1%
|
| 2 | Mild | 82 |
7.4%
|
| 3 | Moderate | 223 |
20.3%
|
| 4 | Severe | 483 |
43.9%
|
| 5 | Extreme | 290 |
26.3%
|
| Sysmiss | 3316 |