| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 744 |
75.2%
|
| 2 | Mild | 140 |
14.2%
|
| 3 | Moderate | 59 |
6%
|
| 4 | Severe | 36 |
3.6%
|
| 5 | Extreme | 10 |
1%
|
| Sysmiss | 2949 |