| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 184 |
9.4%
|
| 2 | Mild | 361 |
18.4%
|
| 3 | Moderate | 595 |
30.4%
|
| 4 | Severe | 708 |
36.1%
|
| 5 | Extreme | 112 |
5.7%
|
| Sysmiss | 1978 |