TABLE 1.
Heart rate variability (HRV) parameters in supine position.
Supine | |||||||
BSL | SDP1 | SDP2 | SDP3 | RCV1 | RCV2 | RCV3–7 | |
HR (bpm) | 616 | 607 | 626 | 615 | 649 | 639 | 635 |
RMSSD (ms) | 6812 | 7219 | 7023 | 6822 | 6916 | 6521 | 6519 |
LF (ms2) | 4,8831,988 | 5,0683,836 | 5,5176,292 | 3,8512,472 | 3,8623,029 | 4,2123,486 | 4,2442,713 |
HF (ms2) | 3,9852,028 | 5,1826,382 | 4,1034,180 | 3,0233,335 | 3,2693,245 | 4,4694,636 | 4,3913,665 |
Total power (ms2) | 12,3264,933 | 14,48812,231 | 14,88217,635 | 10,2635,810 | 10,9108,620 | 11,2169,006 | 11,8307,752 |
nLF | 0.570.07 | 0.570.19 | 0.600.18 | 0.620.17 | 0.570.20 | 0.520.14 | 0.540.11 |
nHF | 0.430.07 | 0.430.19 | 0.400.18 | 0.380.17 | 0.430.20 | 0.480.14 | 0.460.11 |
Mean ± SD. HR, heart rate; RMSSD, root mean square of the standard deviation of the inter-beat intervals; LF, power in the low-frequency band; HF, power in the high-frequency band; nLF, normalized power of the low-frequency band; nHF, normalized power of the high-frequency band.