| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 28 |
8%
|
| 1 | Yes, Mild | 61 |
17.5%
|
| 2 | Yes, Moderate | 114 |
32.7%
|
| 3 | Yes, Severe | 146 |
41.8%
|
| 99 | Refuse | 0 |
0%
|
| Sysmiss | 55 |