| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 13 |
86.7%
|
| 1 | Positive | 1 |
6.7%
|
| 2 | Unknown | 1 |
6.7%
|
| 3 | Not applicable | 0 |
0%
|
| Sysmiss | 2857 |