| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 746 |
47.2%
|
| 2 | Mild | 120 |
7.6%
|
| 3 | Moderate | 6 |
0.4%
|
| 4 | Severe | 3 |
0.2%
|
| 8 | Uncertain | 36 |
2.3%
|
| 88 | N/A | 668 |
42.3%
|
| Sysmiss | 2 |