| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 136 |
12.4%
|
| 2 | Mild | 529 |
48%
|
| 3 | Moderate | 311 |
28.2%
|
| 4 | Severe | 85 |
7.7%
|
| 5 | Extreme | 40 |
3.6%
|
| Sysmiss | 3316 |