| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blood taken | 1767 |
99.5%
|
| 2 | Not present | 0 |
0%
|
| 3 | Refused | 6 |
0.3%
|
| 4 | Sample not tested/lost | 0 |
0%
|
| 5 | Not enough DBS to complete protocol | 0 |
0%
|
| 6 | Other | 2 |
0.1%
|
| 9 | 13 | ||
| Sysmiss | 12283 |