BMC Nephrology

Table 2 Correlation coefficients

From: Effects of fluid overload on heart rate variability in chronic kidney disease patients on hemodialysis

	First 30′ HD		Last 30′ HD		Entire HD
	FO	FO/ECW%	FO	FO/ECW%	FO	FO/ECW%
SDANN	-0.40 ^*	-0.39 ^*	-0.29 ^#	-0.35 ^*	-0.31 ^#	-0.30 ^*
VLF	-0.37 ^*	-0.39 ^*	-0.25	-0.27 ^#	-0.25 ^#	-0.28 ^*
LF%	-0.09	-0.11	-0.33 ^#	-0.37 ^†	-0.17	-0.16
HF%	0.28 ^#	0.29 ^#	0.13	0.17	0.19	0.30 ^§
LF/HF	-0.21	-0.22	-0.31 ^#	-0.34 ^#	-0.22	-0.22
LZC (2,0.01)	-0.18	-0.17	-0.17	-0.2	-0.13	-0.23
LZC (2,0.05)	-0.23	-0.26 ^§	-0.15	-0.30 ^§	-0.07	-0.1
LZC (3,0.01)	-0.26 ^#	-0.26 ^#	-0.34	-0.31 ^#	-0.29 ^#	-0.27 ^#

Correlation coefficients between the hydration status parameters and those HRV indices that reached statistical significance for all 69 patients enrolled in the study. Significant values are indicated in bold.
^*Spearman p-value < 0.01, ^#p-value < 0.05, ^§Pearson p-value < 0.05.

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