| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 50 |
2.3%
|
| 2 | Mild | 193 |
8.9%
|
| 3 | Moderate | 676 |
31.2%
|
| 4 | Severe | 978 |
45.2%
|
| 5 | Extreme | 269 |
12.4%
|
| Sysmiss | 2251 |