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Comparison of clinical characteristics at presentation
Cohort VADA Non-VADA P Value
Age (yr) 8.9 4.7 11.8 <.001
Sex (No.) .45
    Male 21 10 11 
    Female 11 3 8 
Initial diagnosis .059
    Stroke 26 13 13 
    TIA 6 0 6 
Signs and symptoms (No.) 
    Headache 13 5 8 
    Hemiparesis 13 6 7 
    Altered mental status 10 4 6 
    Vision change 7 4 3 
    Ataxia 5 4 1 
    Emesis 5 2 3 
    Dysarthria 5 1 4 
    Seizure 4 2 2 
    Nausea 3 1 2 
    Numbness 2 0 2 
    Abdominal pain 1 1 0 
    Vertigo 1 1 0

	Cohort	VADA	Non-VADA	P Value
Age (yr)	8.9	4.7	11.8	<.001
Sex (No.)				.45
Male	21	10	11
Female	11	3	8
Initial diagnosis				.059
Stroke	26	13	13
TIA	6	0	6
Signs and symptoms (No.)
Headache	13	5	8
Hemiparesis	13	6	7
Altered mental status	10	4	6
Vision change	7	4	3
Ataxia	5	4	1
Emesis	5	2	3
Dysarthria	5	1	4
Seizure	4	2	2
Nausea	3	1	2
Numbness	2	0	2
Abdominal pain	1	1	0
Vertigo	1	1	0