Table 2:

Individual predictors of seizure occurrence and time to seizure

		Presence of Seizure			Time to First Seizure
	Proportions (N = 210)	OR	95% (LCL, UCL)	p-value	HR	95% (LCL, UCL)	p-value
Clinical Features
Male vs. Female	0.42/0.26	2.01	(1.12, 3.64)	0.021	1.78	(1.10, 2.90)	0.018
Preterm vs. Term	0.23/0.39	0.48	(0.22, 0.96)	0.044	0.58	(0.31, 1.07)	0.082
EEG Indication
Suspected seizure or both indications vs. Encephalopathy	0.39/0.19	2.73	(1.28, 6.36)	0.012	2.46	(1.22, 4.95)	0.011
Encephalopathy or both indications vs. Suspected seizure alone	0.30/0.37	0.73	(0.38, 1.33)	0.301	0.72	(0.43, 1.19)	0.197
High Risk Characteristics
Hypoxic ischemic encephalopathy (HIE) vs. No HIE	0.35/0.34	1.04	(0.52, 2.02)	0.913	0.97	(0.57, 1.68)	0.934
Therapeutic Hypothermia (TH) vs. No TH	0.33/0.35	0.93	(0.41, 2.01)	0.851	0.86	(0.45, 1.64)	0.650
ECMO vs. Patients not on ECMO	0.37/0.34	1.14	(0.46, 2.72)	0.765	1.03	(0.51, 2.07)	0.926
Cardiac Arrest (CA) vs. No CA	0.39/0.35	1.10	(0.39, 2.88)	0.842	0.97	(0.44, 2.12)	0.940
CHD vs. No CHD	0.29/0.36	0.74	(0.31, 1.65)	0.470	0.74	(0.37, 1.48)	0.389
EEG Background Features
Excessive discontinuity vs. Normal	0.46/0.11	7.10	(3.34, 16.62)	<0.001	5.17	(2.53, 10.57)	<0.001
Depressed and undifferentiated vs. Normal	0.77/0.11	27.78	(7.09, 142.84)	<0.001	11.42	(4.63, 28.14)	<0.001
Burst suppression vs. Normal	0.70/0.11	19.45	(4.58, 103.85)	<0.001	10.26	(3.81, 27.68)	<0.001
Extremely low voltage/isoelectric vs. Normal	0.33/0.11	4.17	(0.18, 47.98)	0.263	4.99	(0.63, 39.55)	0.127
MFS vs. Absence of MFS	0.40/0.27	1.78	(0.99, 3.25)	0.054	1.58	(0.98, 2.57)	0.062
Focal vs. Absence of focal findings	0.39/0.34	1.24	(0.49, 2.97)	0.642	1.19	(0.59, 2.38)	0.632
Sleep wake cycling	0.25/0.54	0.29	(0.16, 0.53)	<0.001	0.39	(0.25, 0.63)	<0.001