|
Comparison of heart rate variability parameters on Day 1 and Day 2; N = 15. |
||||||
| Day 1 |
Day 2 |
|||||
|
|
||||||
| Prone |
Supine |
(p) |
Prone |
Sitting |
(p) |
|
|
|
||||||
| TP (ms2) |
4896.39 ± 5579.34 |
4076.27 ± 4215.74 |
0.46 (w) |
5004.72 ± 5797.60 |
2746.36 ± 2643.12 |
0.26 (w) |
| LF (ms2) |
1023.57 ± 1505.68 |
963.55 ± 1095.13 |
0.13 (w) |
800.09 ± 791.30 |
667.95 ± 731.74 |
0.61 (w) |
| LF (nu) |
40.70 ± 21.12 |
40.93 ± 19.85 |
0.97 (t) |
37.61 ± 18.46 |
59.87 ± 20.88 |
0.001 (t) |
| HF (ms2) |
2069.20 ± 3292.70 |
1975.40 ± 3304.52 |
0.26 (w) |
2145.69 ± 3320.78 |
577.78 ± 650.45 |
0.001 (w) |
| HF (nu) |
55.91 ± 21.22 |
56.61 ± 19.67 |
0.90 (t) |
58.42 ± 18.12 |
35.84 ± 20.87 |
< 0.001 (t) |
| LF/HF |
0.98 ± 0.76 |
0.93 ± 0.69 |
0.81 (t) |
0.82 ± 0.65 |
3.00 ± 3.07 |
0.001 (w) |
|
Expressed as mean ± SD; (t) = paired t-test, (w) = Wilcoxon signed-rank test, HF = high frequency of HRV power spectrum, LF = low frequency, LF/HF = ratio of low frequency to high, TP = total power, ms2 = milliseconds squared, nu = normalised unit. | ||||||
Watanabe et al. Chiropractic & Osteopathy 2007 15:19 doi:10.1186/1746-1340-15-19 |
||||||