Table 5.

Seizure outcome for non-palliative cases (n=48), stratified by etiology, surgical history, and hemispherectomy technique.

	n	Engel				P*
		I (%)	II (%)	III (%)	IV (%)
Total	48	40 (83)	4 (8)	3 (6)	1 (2)
Etiology						.67
Infarct	24	22 (92)	1 (8)	1 (4)
MCD	12	10 (83)	1 (8)	1 (8)
Rasmussen’s	7	4 (57)	2 (14)	1 (14)
Sturge-Weber	2	2 (100)
Trauma	1				1 (100)
HHE syndrome	1	1 (100)
Tumor/radiation	1	1 (100)
Prior resective surgery						.005
None	36	33 (92)	1 (3)	2 (6)
Non-hemispherectomy resection	6	5 (83)	1 (17)
Previous hemispherectomy	6	2 (33)	2 (33)	1 (17)	1 (17)
Pair-wise comparisons	Previous hemispherectomy vs. None Previous hemispherectomy vs. Non-hemi resect/disconnect Non-hemi resection vs. None					.006 .15 1.0
Hemispherectomy technique						.005
MLH	42	37 (88)	3 (7)	2 (5)
Rasmussen’s functional	2	2 (100)
Anatomic	4	1 (25)	1 (25)	1 (25)	1 (25)
Pair-wise comparisons	Anatomic vs. MLH Anatomic vs. Rasmussen’s functional Rasmussen’s functional vs. MLH					.004 .33 1.0

^*Exact Mantel-Haenszel test, exact test for pairwise comparisons