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Table 3 Relationship between anthropometric parameters and heart rate variability components representative of the autonomic nervous system

From: Seasonal differences in brown adipose tissue density and pulse rate variability in a thermoneutral environment

  BMI % Body fat Fat mass Lean body mass Bone mass BAT density
Log-TP − 0.12 − 0.25 − 0.30 − 0.02 − 0.07 0.12
Log-LF 0.00 − 0.20 − 0.21 0.07 − 0.07 0.11
Log-VLF − 0.24 − 0.22 − 0.31 − 0.17 − 0.24 0.13
Log-HF − 0.07 − 0.21 − 0.24 0.03 0.07 0.11
LF/HF 0.04 0.04 0.07 0.03 − 0.14 − 0.04
  1. BAT density was evaluated by examining total hemoglobin concentrations with near-infrared time resolved spectroscopy in the supraclavicular region. Partial correlation analyses were conducted with adjustments for age and sex
  2. BAT brown adipose tissue, HF high frequency; LF low frequency, LF/HF LF to HF, TP total power, VLF very low frequency