| Value | Category | Cases | |
|---|---|---|---|
| 1 | Granted | 2422 |
78.8%
|
| 2 | Parent/Other responsible refused | 33 |
1.1%
|
| 3 | Respondent refused | 363 |
11.8%
|
| 4 | Sample not tested/lost/not enough DBS | 256 |
8.3%
|
| Sysmiss | 5983 |