nurse: code the number of attempts made to take blood.
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 4886.00 | 31.23% |
| sample taken on first attempt | 1 | 9186.00 | 58.71% |
| sample taken on second attempt | 2 | 762.00 | 4.87% |
| both attempts failed | 3 | 365.00 | 2.33% |
| first attempt failed, did not make second attempt | 4 | 447.00 | 2.86% |
| Total | 15646.00 | 100.00% |



