nurse: enter reason for not getting both measurements.
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| inapplicable | -8 | 20671.00 | 99.86% |
| refusal | -2 | 1.00 | 0.00% |
| attempted but not obtained | 2 | 9.00 | 0.04% |
| measurement not attempted | 3 | 18.00 | 0.09% |
| Total | 20699.00 | 100.00% |
