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Table 2 HRV and BPV indices at supine rest in fallers and non-fallers

From: Psychological status and physical performance are independently associated with autonomic function

 

Heart rate

Systolic blood pressure

Diastolic blood pressure

Fallers (N = 37)

Non-fallers (N = 25)

p-value

Fallers (N = 37)

Non-fallers (N = 25)

p-value

Fallers (N = 37)

Non-fallers (N = 25)

p-value

Time domain indices (mean ± s.d.)

 SDNN

29.28 ± 16.01

35.47± 19.44

0.173

4.71 ± 3.22

3.41 ± 1.51

0.065

3.06 ± 2.06

2.56 ± 1.22

0.282

 CV

0.033 ± 0.015

0.038 ± 0.019

0.162

0.051 ± 0.04

0.038 ± 0.02

0.05*

0.057 ± 0.036

0.043 ± 0.023

0.076

 ARV

18.20 ± 13.05

23.32 ± 19.88

0.221

1.125 ± 0.64

0.89 ± 0.25

0.063

0.88 ± 0.42

0.73 ± 0.344

0.122

 RMSRV

24.16 ± 16.99

31.46 ± 27.29

0.195

1.75 ± 0.96

1.38 ± 0.42

0.071

1.43 ± 0.70

1.18 ± 0.52

0.120

Frequency domain indices (mean ± s.d.)

 LF-nu

51.91 ± 19.41

47.87 ± 17.84

0.411

65.56 ± 18.83

68.06 ± 14.07

0.574

66.41 ± 16.92

69.44 ± 13.96

0.461

 HF-nu

48.1 ± 19.41

52.12 ± 17.84

0.411

34.44 ± 18.83

31.94 ± 14.07

0.574

33.59 ± 16.91

30.55 ± 13.96

0.461

 TP

190,771 ± 113,574

293,909 ± 137,744

0.089

2700 ± 4777.8

1556.1 ± 1115.8

0.044*

1845.1 ± 2842.2

971.6 ± 699.3

0.138

 LF/HF

1.504 ± 1.26

1.18 ± 0.86

0.265

2.88 ± 2.21

2.68 ± 1.43

0.696

3.08 ± 2.69

3.03 ± 1.93

0.931

  1. SDNN standard deviation of NN interval, CV coefficient variation, ARV average real variability, RMSRV root mean square of real variability, LF-nu low-frequency normalised unit, HF-nu high-frequency normalised unit, TP total power, LF/HF ratio of LF and HF
  2. *Independent T-test p-value < 0.05