| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 4 |
0.2%
|
| 2 | Mild | 102 |
5.2%
|
| 3 | Moderate | 240 |
12.3%
|
| 4 | Severe | 1133 |
57.9%
|
| 5 | Extreme | 479 |
24.5%
|
| Sysmiss | 1980 |