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. 2016 Mar 18;12(1):117–125. doi: 10.1177/1557988316638733

Table 4.

Comparison of HR Variables Between Seizure-Free and Pre-Ictal Signals in Females and Males.

Feature Right-sided
Left-sided
Seizure-free 5 Minutes before % Increase or decrease Seizure-free 5 Minutes before % Increase or decrease
RR (ms) 834.87 ± 50.31 587.18 ± 38.33** −29.66 918.58 ± 35.95 549.81 ± 44.08** −40.14
Mean HR 73.36 ± 4.8 105.98 ± 5.6** +44.46 66.78 ± 4.3 112.63 ± 9.35** +68.65
LF (ms2) 167.43 ± 31.16 264.79 ± 20.65** +58.14 176.69 ± 27.17 319.15 ± 21.25** +80.62
HF (ms2) 143.53 ± 38.04 162.27 ± 23.56* +13.05 148.04 ± 48.89 160.72 ± 15.62** +8.56
LF/HF 1.12 ± 0.24 1.63 ± 0.45** +45.53 1.3 ± 0.37 2.1 ± 0.32* +61.53
SD1 40.33 ± 10.01 30.67 ± 1.64* −23.95 46.9 ± 10.4 33.87 ± 3.97* −27.78
SD2 45.36 ± 11.12 50.94 ± 1.69* +12.3 53.4 ± 9.75 60.42 ± 4.84* +13.14
SD2/SD1 1.14 ± 0.34 1.76 ± 0.26** +54.38 1.11 ± 0.32 1.81 ± 0.33** +63.06
S 7.07 ± 0.99 3.12 ± 0.34** −55.86 6.04 ± 0.82 2.56 ± 0.49* −57.61

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.