| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2590 |
66%
|
| 2 | Mild | 666 |
17%
|
| 3 | Moderate | 447 |
11.4%
|
| 4 | Severe | 150 |
3.8%
|
| 5 | Extreme | 69 |
1.8%
|
| Sysmiss | 16 |