Table 1

Patient demographic data and aneurysm characteristics

n or mean ± SEM
Total patients, n34 (100%)
Age (years), mean56.4±2.4
Sex, n
 Men7 (21%)
 Women27 (79%)
Race, n
 White23 (67%)
 Black8 (24%)
 Asian2 (6%)
 Hispanic1 (3%)
Total aneurysms treated, n41 (100%)
Anterior circulation aneurysms, n37 (of 41, 90%)
 Supraclinoid ICA1 (2.4%)
 Paraophthalmic/clinoidal ICA23 (56.1%)
 Cavernous ICA12 (29.4%)
 Petrous ICA1 (2.4%)
Posterior circulation aneurysms, n4 (of 41, 10%)
 Mid/proximal basilar1 (2.4%)
 Vertebrobasilar2 (4.9%)
 PICA1 (2.4%)
Aneurysm size, n
 Small (<10 mm)21 (51%)
 Large (10–25 mm)18 (44%)
 Giant (>25 mm)2 (5%)
Aneurysm type, n
 Saccular18 (44%)
 Fusiform* 21 (51%)
 Dissecting2 (5%)
Patients with SAH on presentation0
  • * Fusiform aneurysms were defined as involving >25% of the parent artery circumference.

  • ICA, internal carotid artery; PICA, posterior inferior cerebellar artery; SAH, subarachnoid hemorrhage.