Table 1:

Demographics, clinical and radiological features of CSVT cohort. IQR, interquartile range; CSVT, cerebral sinovenous thrombosis; LOC, level of consciousness.

	Acute seizure		No acute seizure			Epilepsy		No epilepsy
	N=9		N=15			N=6		N=18
Demographic/Characteristic	n	(%)	n	%	P value	n	%	n	%	P-value
Male	5	(56)	11	(73)	0.371	3	(50)	13	(72)	0.317
Neonate	2	(22)	3	(20)	0.897	1	(17)	4	(22)	0.772
Age at diagnosis (median y, IQR)	0.9	(0.1 – 3.2)	1.7	(0.2 – 6.1)	0.999	1.0	(0.4 – 12.8)	1.5	(0.1 – 4.6)	0.640
CSVT risk factors
Chronic medical disorder	4	(44)	6	(40)	0.999	3	(50)	7	(39)	0.633
Acute systemic illness	6	(67)	7	(47)	0.340	3	(50)	10	(56)	0.813
Dehydration	4	(44)	3	(33)	0.202	2	(33)	5	(28)	0.795
Local infection*	2	(22)	5	(56)	0.562	2	(33)	5	(28)	0.795
Acute clinical presentation
Hemiparesis	4	(44)	2	(13)	0.15	2	(33)	4	(22)	0.586
Visual field defect	0		1	(7)	0.999	0		0		0.999
Decreased LOC	2	(22)	4	(27)	0.999	1	(17)	5	(28)	0.586
Headache	2	(22)	7	(47)	0.389	2	(33)	7	(39)	0.808
Papilledema	1	(11)	2	(13)	0.999	0		3	(17)	0.546
Imaging Findings (N = 22)		N=9		N=13			N=6		N=16
Ischemic infarct	2	(25)	3	(23)	0.999	1	(17)	8	(50)	0.157
Multiple infarcts	0		3	(23)	0.257	1	(17)	2	(13)	0.800
Subcortical infarcts only	0		2	(15)	0.505	0		2	(13)	0.999
Hemorrhage	3	(38)	1	(8)	0.253	2	(17)	2	(13)	0.259

^*Meningitis, sinusitis, otitis media or mastoiditis