| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 2 |
5.1%
|
| 1 | Positive | 22 |
56.4%
|
| 3 | Indeterminate | 5 |
12.8%
|
| 99 | Unknown | 10 |
25.6%
|
| Sysmiss | 2833 |