Table 1.

Demographic and clinical characteristics of cases and controls of European ancestry in the Genetics of Early Onset Stroke (GEOS) Study.

	Cases (n=397)	Controls (n=426)	P value
Gender, male	62.7%	55.4%	0.03
Mean age, years	41.1	39.4	0.0004
Hypertension	31.7%	16.0%	<.0001
Diabetes Mellitus	11.4%	2.1%	<.0001
Previous MI	5.1%	0.7%	0.0002
Current Oral contraceptive use*	23.0%	10.5%	0.002
Current smoking	42.6%	24.2%	<.0001
History of migraines	33.2%	29.1%	0.21
Migraine with aura	26.8%	20.2%	0.03
Migraine without aura	6.4%	8.9%	0.17
Prothrombin G20210A mutation	3.5%	1.4%	0.05

^*women only