| Value |
Category |
| 0 |
Negative |
| 1 |
Positive |
| 3 |
Unreadable |
| 4 |
Not present |
| 5 |
Refused |
| 6 |
Others |
| 7 |
Test undetermined |
| 8 |
Sample not found in lab database |
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.