| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 315 |
96.6%
|
| 1 | Usual for person | 1 |
0.3%
|
| 2 | Worse than usual | 6 |
1.8%
|
| 3 | New sign | 2 |
0.6%
|
| 8 | Unknown | 2 |
0.6%
|
| Sysmiss | 77 |