| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mild | 30 |
8.6%
|
| 2 | Moderate | 163 |
46.7%
|
| 3 | Severe | 148 |
42.4%
|
| 98 | Don't know | 8 |
2.3%
|
| 99 | Refused | 0 |
0%
|
| Sysmiss | 55 |