| Value | Category | Cases | |
|---|---|---|---|
| 0 | negative | 205 |
97.6%
|
| 1 | positive | 4 |
1.9%
|
| 3 | no present | 1 |
0.5%
|
| 4 | refused | 0 |
0%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 12739 |