Table 1.

Comparison of demographic and disease-related variables between the left and right temporal lobe seizure onset groups and a healthy comparison sample with regard to surgical status.

Groups	Presurgical left TLE (n = 10)		Presurgical right TLE (n = 12)		Healthy comparison group (n = 20)		Statistical differences
Groups	Mean	SD	Mean	SD	Mean	SD	Statistical differences
Age	40.7	15.7	39.8	11.4	40.3	13.7
Age of seizure onset	26.1	20.0	12.3	8.5	N/A		t = 4.76, p < .05
Education	15.2	2.4	15.9	2.9	15.4	2.5	n.s.
WAIS-III full-scale IQ	101.1	8.7	109.0	9.6	N/A		n.s.
Number of AEDs	1.9	.8	1.6	.73	N/A		n.s.
							χ²	p
Gender	7 females/3 males		8 females/4 males		10 females/10 males		1.46	n.s

	Postsurgical left TLE (n = 7)		Postsurgical right TLE (n = 7)		Healthy comparison group (n = 20)
	Mean	SD	Mean	SD	Mean	SD
Age	32.7	12.1	39.4	9.5	40.3	13.7	n.s.
Age of seizure onset	19.9	11.4	12.4	13.9	N/A		t = 5.86, p < .05
Education	12.0	1.2	13.7	2.7	15.4	2.5	n.s.
WAIS-III full-scale IQ	87.4	13.3	96.8	16.9	N/A		n.s.
Number of AEDs	2.0	.6	1.9	1.0	N/A		n.s.
							χ²	p
Gender	2 females/5 males		4 females/3 males		10 females/10 males		1.31	n.s

Note. n.s. = non-significant.