Heart rate variability parameters derived from exercise ECG in the detection of coronary artery disease1

SDNN 0.583 (0.29444) 0.699 (0.44344) 0.753 (0.71244) cSDNN 0.763 (-0.35644) 0.631 (-0.1724) 0.500 (0.1794) SD1 0.534 (0.50444) 0.608 (0.20544 0.729 (0.63744) cSD1 0.627 (-0.1754) 0.747 (-0.34444) 0.621 (-0.105) SD2 0.585 (0.27944) 0.740 (0.55744) 0.734 (0.61144) cSD2 0.765 (-0.37144) 0.556 (-0.1634) 0.645 (-0.29844) STD 0.576 (-0.128) 0.626 (-0.035) 0.717 (-0.2554) 4 P b .05. 44 P b .01.