| Value | Category | Cases | |
|---|---|---|---|
| 1 | Positive (+) | 785 |
21.8%
|
| 2 | Negative (-) | 2814 |
78.1%
|
| 3 | Invalid ( ) | 2 |
0.1%
|
| 88 | Refused | 0 |
0%
|
| Sysmiss | 93 |