Table 3 Traditional HRV measurements and CI in patients with DRE and healthy control subjects.

From: Preoperative Heart Rate Variability as Predictors of Vagus Nerve Stimulation Outcome in Patients with Drug-resistant Epilepsy

Variables

DRE patients (n = 63)

Healthy control subjects (n = 50)

P value

Traditional HRV analysis

Mean RR (msec)

713 ± 95

762 ± 85

0.003

SDNN (msec)

122 ± 36

157 ± 36

<0.001

RMSSD (msec)

34 ± 17

46 ± 19

<0.001

pNN50 (%)

11.58 ± 9.74

18.20 ± 10.13

<0.001

VLF (msec.2)

127 ± 84

208 ± 87

<0.001

LF (msec.2)

584 ± 422

1144 ± 750

<0.001

HF (msec.2)

618 ± 808

1073 ± 944

<0.001

TP (msec.2)

1331 ± 1175

2428 ± 1554

<0.001

LF/HF

1.42 ± 0.94

1.58 ± 1.04

0.397

MSE analysis

Slope 5

0.08 ± 0.05

0.11 ± 0.06

0.001

Area 1–5

4.79 ± 1.12

5.52 ± 0.90

<0.001

Area 6–15

12.79 ± 2.23

14.40 ± 1.33

<0.001

Area 6–20

20.03 ± 3.45

22.39 ± 2.02

<0.001

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