| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blood taken | 3152 |
78.3%
|
| 2 | Not present | 272 |
6.8%
|
| 3 | Refused | 489 |
12.2%
|
| 4 | Sample not tested/lost | 25 |
0.6%
|
| 5 | Not enough DBS to complete protocol | 0 |
0%
|
| 6 | Other | 86 |
2.1%
|
| Sysmiss | 34491 |