Table 3.

Comparison of HR Variables Between Seizure-Free and Pre-Ictal Signals in Males With Left- and Right-Sided Seizures.

Feature	Right-sided			Left-sided
	Seizure-free	5 Minutes before	% Increase or decrease	Seizure-free	5 Minutes before	% Increase or decrease
RR (ms)	831.22 ± 50.23	501.47 ± 40.24**	39.67	905.95 ± 20.6	598.16 ± 42.7**	−33.97
Mean HR	70.21± 2.3	125.03 ± 11.4**	+78.08	63.35 ± 6.23	100.24 ± 7.3**	+58.23
LF (ms2)	189.63 ± 24.14	348.2 ± 21.37**	+83.62	163.75 ± 30.2	290.11 ± 21.13**	+77.16
HF (ms2)	143.87 ± 44.79	157.92 ± 19.09**	+9.76	152.21 ± 53	163.52 ± 12.15*	+7.43
LF/HF	1.34 ± 0.31	2.34 ± 0.23**	+74.62	1.27 ± 0.43	1.87 ± 0.42**	+47.24
SD1	51.46 ± 11.91	35.42 ± 5.71*	−31.16	42.3 ± 8.9	32.33 ± 2.24*	−23.65
SD2	60.3 ± 12.3	69.58 ± 7.56*	+15.38	46.51 ± 7.2	51.27 ± 2.13*	+10.23
SD2/SD1	1.33 ± 0.24	2.13 ± 0.13**	+60.15	1.09 ± 0.41	1.59 ± 0.54**	+50
S	7.87 ± 0.72	3.11 ± 0.27**	−60.48	4.21 ± 0.93	2.01 ± 0.72*	−52.25

Note. HR = heart rate; RR = R-R intervals; LF = low frequency; HF = high frequency; SD = standard deviation. Paired sample t test.

^*p < .05. **p < .01.