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Table 1 Results of linear regression between LF/HF ratios for IBI series with distorted/removed beats and undistorted series

From: Heart rate variability analysis using robust period detection

Regression parameter RPDdis RPDrem LSPdis LSPrem FFTdis FFTrem
R2 0.98 0.98 0.34 0.93 0.28 0.98
p1 0.94 0.96 0.46 0.78 0.42 0.95
p0 0.02 -0.01 -1.61 -0.02 -1.32 0.19
  1. Regression parameter values for the linear regression log(Y) = p1∙log(X) + p0 between log transformed LF/HF ratios for IBI series with distorted/removed beats (Y) and undistorted series (X) by the RPD, LSP and FFT methods. The distortion rate was 10%. ‘dis’ denotes series with distorted beats and ‘rem’ denotes series with removed beats.