| Value | Category | Cases | |
|---|---|---|---|
| 1 | Granted | 3177 |
79%
|
| 2 | Parent/Other responsible refused | 51 |
1.3%
|
| 3 | Respondent refused | 438 |
10.9%
|
| 4 | Sample not tested/lost/not enough DBS | 358 |
8.9%
|
| Sysmiss | 34491 |