| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 60 |
2.7%
|
| 2 | Mild | 210 |
9.4%
|
| 3 | Moderate | 687 |
30.8%
|
| 4 | Severe | 988 |
44.2%
|
| 5 | Extreme | 288 |
12.9%
|
| Sysmiss | 2184 |