| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 34 |
3.4%
|
| 2 | Mild | 8 |
0.8%
|
| 3 | Moderate | 13 |
1.3%
|
| 4 | Severe | 148 |
14.8%
|
| 5 | Extreme | 799 |
79.7%
|
| Sysmiss | 2936 |