Table 1.

Subject demographics (n = 81)

Age (range), years	54.78 (21–84)
Female	69.1% (56)
Comorbidities	80.2% (65)
Hypertension	55.6% (45)
Coronary artery disease	13.6% (11)
Intracranial/extracranial atherosclerosis	2.5% (2)
Smoking	45.7% (37)
Current illicit drug use	4.9% (4)
Vasculitis/moyamoya disease	1.2% (1)
History of stroke/transient ischemic attack	14.8% (12)
History of intracranial hemorrhage	9.9% (8)
Diabetes mellitus	8.6% (7)
Hyperlipidemia/hypercholesterolemia	29.6% (24)
Arteriovenous malformation	2.5% (2)
Multiple intracranial aneurysms	16.0% (13)