| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 7 |
0.3%
|
| 2 | Mild | 62 |
2.9%
|
| 3 | Moderate | 339 |
15.7%
|
| 4 | Severe | 1119 |
51.7%
|
| 5 | Extreme | 636 |
29.4%
|
| Sysmiss | 2254 |