Fig. 2From: Impact of heart rate variability, a marker for cardiac health, on lupus disease activityAssociation of plasma monokine induced by interferon gamma (MIG) and tumor necrosis factor receptor II (TNFRII) at baseline with the low frequency to high frequency (LF/HF) ratio by univariate linear regression. a MIG (p = 0.026) and b soluble TNFRII (sTNFRII) (p = 0.024) are both inversely related to the LF/HF ratioBack to article page