Skip to main content

Table 3 The time/frequency domain and entropy features of DPV

From: Analysis of short-term heart rate and diastolic period variability using a refined fuzzy entropy method

Variables Healthy volunteers Patients with coronary artery stenosis p
SD (ms) 29.86 ± 13.46 26.32 ± 8.94 0.25
LF (ms2) 121.04 [86.20 213.86] 91.09 [59.53 188.22] 0.14
HF (ms2) 86.42 [37.86 131.04] 53.87 [29.89 128.03] 0.19
SampEn 1.93 ± 0.44 2.08 ± 0.41 0.14
FuzzyEn 1.42 ± 0.27 1.54 ± 0.23 0.05
rFuzzyEn 1.09 ± 0.16 1.20 ± 0.13 <0.01
  1. SD standard deviation, LF power of low-frequency band, HF power of high-frequency band, SampEn sample entropy, FuzzyEn fuzzy entropy, rFuzzyEn refined fuzzy entropy. Data are expressed as mean ± standard deviation (SD) or median [25% 75%].