Table 2.
Deviation from HRV measures and site-to-site variations of PRV measures
| Mean interval | LF power | HF power | LF/HF | |
|---|---|---|---|---|
| Supine | ||||
| CD, % | ||||
| Left forearm | 1.0 ± 1.3 | 15.3 ± 18.3 | 26.1 ± 38.8 | − 10.7 ± 34.7 |
| Left wrist | 2.1 ± 4.7 | 9.2 ± 12.4 | 22.9 ± 28 | − 27.3 ± 37.5 |
| Right forearm | 0.6 ± 0.9 | 8.9 ± 10.3 | 18 ± 24.7 | − 10.8 ± 47.7 |
| Right wrist | 1.3 ± 2.4 | 19.6 ± 16.9 | 31.1 ± 38.0 | − 11.3 ± 44.4 |
| Average of 4 sites | 1.2 ± 2.6 | 13.2 ± 14.4 | 24.5 ± 30.6 | − 15.0 ± 38.7 |
| CV, % | 0.8 ± 1.1 | 4.0 ± 3.5 | 3.8 ± 3.2 | 18.0 ± 6.3 |
| Sitting | ||||
| CD, % | ||||
| Left forearm | 0.0 ± 1.6 | 7.2 ± 9.9 | 15.5 ± 16.9 | − 25.7 ± 32.7 |
| Left wrist | 0.2 ± 1.9 | 7.8 ± 8.0 | 22.1 ± 16.6 | − 43.3 ± 30.8 |
| Right forearm | − 0.4 ± 1.1 | 3.3 ± 3.6 | 12.2 ± 7.7 | − 32.8 ± 26.2 |
| Right wrist | 0.5 ± 1.3 | 13.2 ± 17.8 | 23.3 ± 19.8 | − 30.2 ± 35.6 |
| Average of 4 sites | 0.1 ± 1.4 | 7.9 ± 10.8 | 18.3 ± 15.3 | − 33.0 ± 29.6 |
| CV, % | 0.5 ± 0.3 | 3.6 ± 3.8 | 4.7 ± 3.0 | 17.5 ± 5.2 |
CD coefficient of deviation, CV coefficient of variance, other abbreviations are explained in foot note to Table 1
Data are mean ± SD