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Table 3 Association of plasma cytokines with HRV parameters at baseline by univariate linear regression

From: Impact of heart rate variability, a marker for cardiac health, on lupus disease activity

 

Independent variables

Dependent variables

RMSSD

pNN50

HF

LF/HF

IL-1RA

p = 0.949

β < −0.001

p = 0.286

β = −0.069

p  = 0.011

β = −0.037

p = 0.067

β = 0.147

SCF

p = 0.133

β = −0.004

p  = 0.049

β = −0.042

p = 0.373

β = −0.005

p  = 0.034

β = 0.076

IL-15

p = 0.402

β = −0.003

p = 0.054

β = −0.054

p  = 0.025

β = −0.018

p = 0.148

β = 0.069

IFN-α

p = 0.920

β < −0.001

p = 0.089

β = −0.079

p = 0.063

β = −0.019

p = 0.313

β = 0.059

IP-10

p = 0.202

β = −0.005

p = 0.088

β = −0.048

p = 0.122

β = −0.012

p = 0.189

β = 0.064

MIG

p  = 0.007

β = −0.011

p  = 0.015

β = −0.077

p  = 0.018

β = −0.021

p  = 0.026

β = 0.119

sTNFRII

p  < 0.001

β = −0.007

p  = 0.01

β = −0.042

p  = 0.039

β = −0.010

p  = 0.024

β = 0.064

BLySa

p = 0.556

β = 0.002

p = 0.201

β = −0.026

p = 0.140

β = −0.008

p = 0.098

β = 0.055

  1. Abbreviations: BLyS B lymphocyte stimulator, HF high-frequency power, IL interleukin, IL-1RA interleukin 1 receptor antagonist, IP-10 interferon gamma-induced protein 10, LF/HF low frequency to high frequency ratio, MIG monokine induced by interferon gamma, pNN50 percentage of pairs of adjacent NN intervals differing by more than 50 milliseconds, RMSSD square root of the mean of the squares of differences between adjacent NN intervals, SCF stem cell factor, sTNFRII soluble tumor necrosis factor receptor II
  2. aSerum BLyS
  3. p values <0.05 are in bold type