| Value | Category | Cases | |
|---|---|---|---|
| 1 | Granted | 561 |
78.7%
|
| 2 | Parent/Other responsible refused | 15 |
2.1%
|
| 3 | Respondent refused | 56 |
7.9%
|
| 4 | Sample not tested/lost/not enough DBS | 81 |
11.4%
|
| Sysmiss | 8344 |