| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1670 |
78.8%
|
| 1 | Yes: ensure safe blood transfusion | 214 |
10.1%
|
| 8 | Don't know | 235 |
11.1%
|
| 9 | 2 | ||
| Sysmiss | 451 |