. Author manuscript; available in PMC: 2014 Apr 1.

Published in final edited form as: JAMA Neurol. 2013 Apr 1;70(4):448–454. doi: 10.1001/jamaneurol.2013.1033

Table 6.

Risk Factors for Symptomatic Epilepsy Among Survivors (n=67), Log-rank test

Risk Factor	# with Epilepsy/# with Risk Factor	# with Epilepsy/# without Risk Factor	P Value	Bonferroni corrected P Value^a
Seizure at presentation	4/29	5/38	.82
Acute seizure after presentation but <7 days	0/7	9/60	.58	1.00
Any acute symptomatic seizure within 7 days	4/33	5/34	.76
Childhood ICH	8/50	1/17	.04^b	.20
Cortical involvement	4/31	5/36	.60	1.00
Parenchymal location	9/60	0/7	.22
AED at discharge	5/36	4/31	.70
Epileptiform discharges	3/22	6/45	.47
Vascular malformation	6/35	3/32	.11	.55
Elevated ICP requiring urgent intervention	6/26	3/41	.007^b	.04^c

Abbreviations: #, number; AED, antiseizure medication; ICP, intracranial pressure.

, Correction for a priori hypotheses only.

, Statistically significant prior to Boneferroni correction for multiple comparisons.

, Statistically significant after Bonferroni correction for multiple comparisons.