Table 1.

Descriptive statistics of WAIS-R.

	Frequency distribution		Significance (p)
Gender (mean ± SD)	Female (n = 44) 87.08 ± 14.45	Male (n = 35) 93.19 ± 17.92	0.097
Age (n = 79) 40.42 ± 11.72	Pearson correlation coefficient = −0.50		0.659
Age of onset (n = 79) 15.10 ± 13.01	Pearson correlation coefficient = 0.374		0.001
Duration of epilepsy (n = 79) 25.32 ± 14.41	Pearson correlation coefficient = −0.378		0.001
Side of onset (mean ± SD)	Left (n = 46) 85.4 ± 14.92	Right (n = 33) 95.9 ± 16.3	0.004
Early versus late beginning	≤14 (n = 47) 85.43 ± 14.48	15+ (n = 32) 96.18 ± 16.84	0.003
Education (mean ± SD)	Education <10 years (n = 52) 84.02 ± 14.3	Education >10 years (n = 27) 100.89 ± 14.07	0.000

WAIS-R, Wechsler-Adult Intelligence Scale Revised; n, number of subjects; SD, standard deviation.