| Value |
Category |
| 1 |
Blood taken |
| 2 |
Not present |
| 3 |
Refused |
| 4 |
Sample taken but missing |
| 5 |
Incomplete sample/ not enough blood |
| 6 |
Other |
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.