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Table 2 Cardiovascular evaluation results and their relationship with plasma CNP

From: Increased circulating bioactive C-type natriuretic peptide is associated with reduced heart rate variability in patients with chronic kidney disease

  Mean ± SD or Median (IQR) r p
Systolic BP 135.8 ± 20.7 −0.04 0.74
Diastolic BP 83.7 ± 11.5 0.06 0.64
Heart rate 74.8 ± 12.2 0.23 0.04
cfPWV 11.4 ± 4.3 −0.04 0.71
crPWV 10.0 ± 3.4 −0.11 0.34
RHI 1.90 ± 0.49 −0.05 0.69
SDNNa 30.8 (19.8 – 57.6) −0.33 0.004
RMSSDa 30.5 (17.2 – 56.3) −0.27 0.02
Triangular Indexa 8.5 (5.7 – 12.0) −0.33 0.005
LF/HFa 0.63 (0.32 – 0.89) 0.04 0.75
  1. aThese parameters were logarithm transformed in Pearson’s correlation analysis due to their skewed distribution
  2. Bold entries indicate statistical significance
  3. Abbreviations: BP Blood pressure, cfPWV Carotid–femoral pulse wave velocity, crPWV Carotid–radial pulse wave velocity, IQR Interquartile range, RHI Reactive hyperemia index