TABLE 3.

Results of invasive EEG monitoring sessions using depth electrodes and grids^*

		Depth Electrode Placement
Characteristic	Total	Group A	Group B	p Value †
no. of patients	41	26	15
mean hospitalization days (range)	12 ± 5 (5–25)	12 ± 5	11 ± 5	NS
mean days of monitoring (range)	8 ± 4 (2–24)	9 ± 4	8 ± 5	NS
no. w/fever (≥38.4°C)	3 (7%)	2	1	NS
no. w/ leukocytosis (>10.5 WBCs)	11 (27%)	7	4	NS
no. receiving periop corticosteroids	20 (49%)	11	9	NS
mean follow-up (mos)	49 ± 5	58 ± 6	32 ± 7	<0.01
no. w/ focal identification of epileptic focus	32 (78%)	20	12	NS
no. w/ resection of epileptic focus	27 (66%)	16	11	NS
no. w/ prior resective op for epilepsy	11 (27%)	4	7	0.03

^*Mean values are presented ± SDs.

Abbreviation: WBCs = white blood cells.

^†Chi-square analysis.