| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 311 |
99.7%
|
| 1 | Positive | 0 |
0%
|
| 2 | No visible lines (Invalid result) | 0 |
0%
|
| 3 | Unclear result (Unable to determine) | 0 |
0%
|
| 96 | Other specify | 1 |
0.3%
|
| 98 | Forgot result / Doesn't remember | 0 |
0%
|
| Sysmiss | 16500 |