| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 111 |
5.1%
|
| 2 | Mild | 233 |
10.8%
|
| 3 | Moderate | 599 |
27.7%
|
| 4 | Severe | 988 |
45.6%
|
| 5 | Extreme | 235 |
10.8%
|
| Sysmiss | 2251 |