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Table 4 Changes in Heart rate variability (HRV) between control group and acupuncture group

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

  Control group Acupuncture p-value
  (n = 23) (n = 37)  
HRV(SD) −13.50 (67.52) 11.06 (76.66) 0.33
HF%(SD) 5.75 (32.52) −0.29 (22.80) 0.49
LF%(SD) −5.75 (32.52) 0.29 (22.80) 0.49
LF/HF(SD) −0.04 (1.43) 0.05 (1.48) 0.81
VLF(SD) −2070.67 (11051.15) −504.88 (8951.39) 0.63
LF(SD) −847.82 (2674.89) 166.03 (1568.84) 0.14
HF(SD) −78.36 (943.47) 229.35 (559.67) 0.20
Total Power(SD) −69.64 (6918.93) −204.29 (9259.71) 0.97
RMSSD(SD) 3.73 (30.93) 1.06 (17.28) 0.73
PNN50(SD) 6.82 (24.94) 0.97 (14.05) 0.34
  1. p-value by independent t test comparing with control group and acupuncture group