| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blood taken | 760 |
84%
|
| 2 | Not present | 33 |
3.6%
|
| 3 | Refused | 91 |
10.1%
|
| 4 | Sample not tested/lost | 7 |
0.8%
|
| 5 | Not enough DBS to complete protocol | 0 |
0%
|
| 6 | Other | 14 |
1.5%
|
| Sysmiss | 8152 |