| Value |
Category |
Cases |
|
| 1 |
Positive (+) |
508 |
|
| 2 |
Negative (-) |
277 |
|
| 3 |
Invalid ( ) |
2 |
|
| 88 |
Refused |
0 |
|
| Sysmiss |
|
2907 |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
