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Table 4 Heart rate variability parameters by time and frequency domain of patients according to the presence of CAN

From: Association of serum adipocytokine levels with cardiac autonomic neuropathy in type 2 diabetic patients

Heart rate variability CAN- CAN+ P-value
Supine    
HR 72.8 ± 11.3 76.0 ± 11.4 0.114
SDNN (ms) 28.4 ± 14.2 23.9 ± 14.8 0.081
RMSSD (ms) 18.9 ± 15.7 16.8 ± 17.1 0.459
LF (nu) 63.2 ± 20.5 61.9 ± 22.9 0.742
HF (nu) 36.8 ± 20.5 38.1 ± 22.9 0.742
LF/HF 3.4 ± 4.5 3.5 ± 4.9 0.865
Upright    
HR 83.5 ± 29.6 81.4 ± 18.4 0.665
SDNN (ms) 25.2 ± 13.8 18.3 ± 10.3 0.003
RMSSD (ms) 19.6 ± 18.3 14.5 ± 10.6 0.081
LF (nu) 65.0 ± 20.1 59.4 ± 21.4 0.130
HF (nu) 35.9 ± 21.0 39.5 ± 21.8 0.346
LF/HF 3.9 ± 5.7 3.3 ± 4.8 0.466
  1. Data are shown as means ± SD. HR: Heart rate; SDNN: standard deviation of normal-to-normal RR intervals; RMSSD: square root of the average of the sum of the squares of the differences between adjacent NN intervals; LF: Low frequency; HF: High frequency