Table 3.
Safety phase data for heart rate (HR) on standing (beats per minute) (n = 23 unless otherwise stated)
| Heart rate | Mean difference from 0 hours sitting HR | Compared to 0 hours sitting HR 95% CI* | P value + | |
|---|---|---|---|---|
| 0 hours sitting | 88.2 ± 11.9 | n/a | n/a | n/a |
| 0 hours standingo | 94.3 ± 13.0 | 6.2 ± 8.0 | 2.8 to 9.7 | 0.001^ |
| 0.5 hours standing | 92.4 ± 9.9 | 3.8 ± 7.5 | 0.47 to 7.1 | 0.027^ |
| 1 hours standing | 92.0 ± 11.9 | 3.9 ± 10.0 | −0.43 to 8.2 | 0.076 |
| 4 hours standing | 87.7 ± 11.4 | −0.478 ± 13.4 | −6.3 to 5.3 | 0.866 |
*95% confidence interval; ^significant comparison at the 95% confidence level; +paired sample two tailed t-test; on = 22 for the 0 hour standing comparison due to missing data.