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Table 1 Comparison of pulse rate variability (PRV) and heart rate variability (HRV)

From: Differences in pulse rate variability with measurement site

 

Supine

Sitting

Signal (PRV vs HRV)

Signal × posture

PRV*

HRV

PRV*

HRV

F(1,42)

P

F(1,42)

P

Mean interval, ms

889 ± 64

880 ± 68

842 ± 64

843 ± 68

0.04

0.8

0.04

0.8

LF power, ln (ms2)

6.9 ± 0.3

6.2 ± 0.4

6.9 ± 0.3

6.5 ± 0.4

8.89

0.004

0.4

0.5

HF power, ln (ms2)

6.9 ± 0.4

5.9 ± 0.5

6.7 ± 0.4

5.7 ± 0.5

13.84

0.0006

0.01

0.9

LF/HF

1.1 ± 0.2

1.6 ± 0.3

1.4 ± 0.2

2.3 ± 0.3

13.97

0.0006

0.71

0.4

  1. HF high-frequency component, LF low-frequency component
  2. *Average over four sites
  3. Data are least-square mean ± SE