Arterial spin-labelling and magnetic resonance spectroscopy as imaging biomarkers for detection of epileptogenic zone in non-lesional focal impaired awareness epilepsy

Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Demographic and clinical data of the study participants

Data					Patients (n = 26)
Gender				Females	14 (53.85%)
Gender				Males	12 (46.15%)
Age in years				Range	16–57
Age in years				Mean ± SD	26.56 ± 4.64
Age at first onset of epilepsy				Range	6.98–15.87
Age at first onset of epilepsy				Mean ± SD	9.95 ± 3.74
Family history for epilepsy				Negative; n (%)	16 (61.53%)
Family history for epilepsy				Positive; n (%)	10 (38.47%)
Duration of epilepsy in years				Range	8.56–20.75
Duration of epilepsy in years				Mean ± SD	14.70 ± 6.58
Frequency of attacks / month				Range	4.75–14.22
Frequency of attacks / month				Mean ± SD	6.50 ± 0.72
Clinical and EEG results	Laterality of the epileptic activity	Left sided lateralization		n (%)	14 (53.84%)
	Laterality of the epileptic activity	Right sided lateralization		n (%)	12 (46.16%)
	Localization of the epileptic activity	Temporal		n (%)	19 (73.09%)
		Extra-temporal	Frontal	n (%)	5 (19.21%)
			Parietal	n (%)	1 (3.85%)
			Occipital	n (%)	1 (3.85%)

Statistical data were expressed as number (n), percent (%) and mean ± standard deviation (SD), EEG electroencephalography