| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 258 |
29.2%
|
| 2 | Mild | 8 |
0.9%
|
| 3 | Moderate | 5 |
0.6%
|
| 4 | Severe | 1 |
0.1%
|
| 8 | Uncertain | 2 |
0.2%
|
| 88 | N/A | 611 |
69%
|
| Sysmiss | 696 |