| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 6 |
5.2%
|
| 1 | Positive | 80 |
69.6%
|
| 3 | Indeterminate | 10 |
8.7%
|
| 99 | Unknown | 19 |
16.5%
|
| Sysmiss | 2757 |