Table 3.

Adjusted outcomes for seizures categories.

Variable	Mortality OR (95% CI)	p-value	Worsened PCPC OR (95% CI)	p-value
Seizure Category
No Seizures	Ref	Ref	Ref	Ref
Electrographic Seizures	1.3 (0.3, 5.1)	0.74	1.2 (0.4, 3.9)	0.77
Electrographic Status Epilepticus	5.1 (1.4, 18)	0.01	17.3 (3.7, 80)	<0.001
Age	1 (0.9, 1)	0.8	1 (0.99, 1.01)	0.61
Sex
Male	ref	ref	Ref	Ref
Female	2.5 (0.9, 6.6)	.06	1.7 (0.7, 4)	0.24
Acute Neurologic Disorder Category
Epilepsy with altered mental status following a seizure	Ref	Ref	Ref	Ref
Hypoxic Ischemic Encephalopathy	3.6 (0.5,26)	0.2	12 (2, 72)	0.006
Encephalitis	3.3 (0.43, 25)	0.3	40 (5.2, 304)	<0.001
Traumatic Brain Injury	0.9 (0.08, 11)	0.9	25 (3.1,197)	0.002
Stroke	0.8 (0.05, 12)	0.85	4.7 (0.5, 430)	0.16
Sepsis	10.6 (0.8, 137)	0.07	6.6 (0.5, 88)	0.15
Posterior Reversible Leukoencephalopathy Syndrome	-	-	2.5 (0.14, 43)	0.5
Neurosurgical Procedure	2 (0.2, 22)	0.56	4.6 (0.6, 33)	0.13
Provoked Seizure	2.2 (0.12, 38)	0.6	0.4 (0.03, 6)	0.5
Systemic/Metabolic	1.5 (0.1, 21)	0.77	7.4 (0.95, 52)	0.06
Prior Neurodevelopment
Abnormal	Ref	Ref	Ref	Ref
Normal	2.2 (0.74, 6.6)	0.16	10.5 (3.6, 31)	<0.001
EEG Background Category
Normal or Sedated-Sleep	Ref	Ref	Ref	ref
Slow and Disorganized	4.2 (0.4, 40)	0.2	4.3 (1.08, 17)	0.04
Discontinuous or Burst-Suppression	18 (1.5, 207)	0.02	15.8 (2.3, 107)	0.005
Attenuated and Featureless	41 (2.7, 617)	0.007	28 (3, 244)	0.003
Indication for EEG Monitoring
Acute encephalopathy without prior convulsion	Ref	Ref	Ref	Ref
Acute encephalopathy with prior convulsion	0.3 (0.1, 1)	0.05	0.8 (0.27, 2.2)	0.63

CI: Confidence Interval; OR: Odds ratio; Pediatric Cerebral Performance Category: PCPC; Ref: reference group