| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 787 |
98.1%
|
| 2 | Mild | 12 |
1.5%
|
| 3 | Moderate | 2 |
0.2%
|
| 4 | Severe | 0 |
0%
|
| 8 | Uncertain | 1 |
0.1%
|
| 88 | N/A | 0 |
0%
|
| Sysmiss | 779 |