| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 126 |
11.4%
|
| 2 | Mild | 124 |
11.2%
|
| 3 | Moderate | 312 |
28.2%
|
| 4 | Severe | 451 |
40.7%
|
| 5 | Extreme | 94 |
8.5%
|
| Sysmiss | 3310 |