Heart rate variability analysis using robust period detection

Table 2 Examples of differences (percent) of LF/HF ratios for IBI series with distorted/removed beats compared to undistorted series

	LF/HF differences for series with distorted/removed beats
LF/HF for undistorted series	RPDdis	RPDrem	LSPdis	LSPrem	FFTdis	FFTrem
0.1	17%	9%	-31%	63%	2%	36%
0.3	10%	4%	-62%	28%	-46%	28%
1	2%	-1%	-80%	-2%	-73%	21%
3	-4%	-5%	-89%	-23%	-86%	14%
10	-11%	-10%	-94%	-41%	-93%	8%

The differences are calculated by the regression parameter values p1 and p0 in Table 1. The distortion rate was 10%. ‘dis’ denotes series with distorted beats and ‘rem’ denotes series with removed beats.

ISSN: 1475-925X