| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 766 |
95.3%
|
| 2 | Mild | 28 |
3.5%
|
| 3 | Moderate | 1 |
0.1%
|
| 4 | Severe | 9 |
1.1%
|
| 8 | Uncertain | 0 |
0%
|
| 88 | N/A | 0 |
0%
|
| Sysmiss | 777 |