| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 2559 |
96%
|
| 1 | Positive | 71 |
2.7%
|
| 3 | Indeterminate | 22 |
0.8%
|
| 99 | Unknown | 15 |
0.6%
|
| Sysmiss | 205 |