Table 1.
Pilot study arm equilibrium pressure
| Time (s) | Pa | Pv | Pa–Pv | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (mmHg) | SD (mmHg) | Repeat (%) | Mean (mmHg) | SD (mmHg) | Repeat (%) | Mean (mmHg) | SD (mmHg) | Repeat (%) | |
| 15 | 23.32 | 2.41 | 5.45 | 21.96 | 2.05 | 9.20 | 1.35 | 2.69 | 4.89 |
| 20 | 22.11 | 1.88 | 6.11 | 22.12 | 2.02 | 9.58 | −0.01 | 1.62 | 5.52 |
| 25 | 21.42 | 1.56 | 6.91 | 22.06 | 1.91 | 9.79 | −0.63 | 1.02 | 5.18 |
| 30 | 21.08 | 1.38 | 6.55 | 21.81 | 2.05 | 9.58 | −0.73 | 1.07 | 4.55 |
Effect of time on radial arterial pressure (Pa), peripheral venous pressure (Pv) and the difference between Pa and Pv during upper arm stop-flow. The results of a pilot study in nine patients are indicated. Repeat, the averaged repeatability of three sequential measurements
SD Standard deviation