. Author manuscript; available in PMC: 2018 Jul 1.

Published in final edited form as: Clin Neurophysiol. 2017 May 12;128(7):1299–1307. doi: 10.1016/j.clinph.2017.04.026

Table 3.

Optimal thresholds used for seizure prediction in iEEG data from patients with focal hippocampal epilepsy.

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N_ch : number of channels; N_F: number of features; T_c1 and T_c2: significance thresholds for raising flags II and III (see Section 2.2 for details); CD: correlation dimension; NL: noise level; CEN: correlation entropy; LZC: Lempel-Ziv complexity; LLE: largest Lyapunov exponent ; NI: nonlinear interdependence. PS_inc, PS_dec and PS_zch are the percentages of seizures showing significant preictal increase (dark gray), decrease (light gray) and no change, respectively, in comparison with reference periods. Results are expressed as mean ± absolute deviation. Similarly, the dominant preictal changes in the median of feature values have been shown for each patient separately.