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Table 3 Parameters of Heart rate variability(HRV) after acupuncture stimulation at PC6 and ST36

From: Efficacy and safety of acupuncture for dizziness and vertigo in emergency department: a pilot cohort study

 

Control group

p-value

Acupuncture

p-value

 

(n = 23)

 

(n = 37)

 
 

pre(n = 23)

post (n = 22)

 

pre(n = 37)

post (n = 33)

 

HRV(SD)

52.4(46.4)

60.9(32.8)

0.62

74.4(68.2)

85.8(82.2)

0.39

HF%(SD)

52.6(16.4)

52.4(17.9)

0.66

47.5(18.5)

47.6(19.8)

0.90

LF%(SD)

47.2(16.4)

47.6(17.9)

0.66

52.5(18.5)

52.4(19.8)

0.90

LF/HF(SD)

1.1(0.8)

1.3(1.5)

0.92

1.5(1.3)

1.6(1.4)

0.81

VLF(SD)

3050.5(7699.5)

3355.1(4110.1)

0.61

4040.4(9305.8)

3612.3(4462.0)

0.74

LF(SD)

906.6(1972.5)

700.00

0.39

1596.7(2877.3)

1896.0(2579.2)

0.56

HF(SD)

544.2(731.0)

721.4(539.4)

0.87

830.8(769.1)

1082.7(1078.7)

0.03*

Total Power(SD)

2813.5(3778.9)

5055.7(5075.0)

0.81

6839.8(11156.8)

6713.(7423.0)

0.90

RMSSD(SD)

47.3(28.9)

62.8(25.7)

0.60

58.7(28.8)

59.4(33.3)

0.73

PNN50(SD)

19.8(22.8)

36.7(21.5)

0.35

32.0(23.8)

33.0(25.9)

0.69

  1. p-value by paired t test comparing with post-treatment and pre-treatment. *p < 0.05
  2. heart rate variability(HRV), high frequency (HF), low frequency (LF), very low frequency (VLF), sympatho-parasympathetic balance index (LF/HF), total power, root mean square of successive differences (RMSSD), and the proportion of NN50 divided by total number of NNs (PNN50)