| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5205 |
86.9%
|
| 1 | Mild | 636 |
10.6%
|
| 2 | Moderate | 111 |
1.9%
|
| 3 | Severe | 35 |
0.6%
|
| 4 | Extreme or can't do | 3 |
0.1%
|
| Sysmiss | 1171 |