| Value | Category | Cases | |
|---|---|---|---|
| 1 | Bleeding deferred | 0 |
0%
|
| 2 | Unable to obtain blood from venepuncture | 3 |
75%
|
| 3 | Other | 1 |
25%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 221 |