Outcome predictors in patients with temporal lobe epilepsy after temporal resective surgery

Acta Epileptologica

Table 3 Univariate analysis by log rank test of risk factors for seizure recurrence

Variables	Patients n	Relapsed n	P value
Male	50	15	0.363
Adult onset	27	9	0.223
Early appearance of GTCS	57	20	0.011
Age at surgery < 18 years	67	15	0.223
Monthly seizure frequency < 10 times	71	19	0.735
Disease duration before surgery < 20 months	83	19	0.117
History of hypoxia	56	9	0.006
MRI-positive finding	85	16	< 0.001
Slow metabolic activity in multiple brain regions in PET/CT	22	13	< 0.001
Hippocampal sclerosis	69	13	0.014
Typical symptomatology	74	11	< 0.001
Preoperative bilateral intermittent EEG abnormality	23	12	< 0.001
Postoperative EEG abnormality	39	22	< 0.001
Resection site consistent with ictal EEG initiation regions	73	14	0.008
Intraoperative discharge range within the resection range	77	13	< 0.001
Lesion location being mesial temporal lobe	61	8	< 0.001
Drug-resistant epilepsy	57	20	0.011

PET Positron emission tomography, GTCS Generalised tonic-clonic seizures, EEG Electroencephalography, MRI Magnetic resonance imaging

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