nurse: code the number of attempts made to take blood.
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 6266.00 | 30.27% |
| sample taken on first attempt | 1 | 12313.00 | 59.49% |
| sample taken on second attempt | 2 | 1006.00 | 4.86% |
| both attempts failed | 3 | 478.00 | 2.31% |
| first attempt failed, did not make second attempt | 4 | 636.00 | 3.07% |
| Total | 20699.00 | 100.00% |



