Table 1.

Aneurysm locations

Location and sublocation (site reported)	% of participants (n/N)
Internal carotid artery	28.1 (43/153)
Carotid cavernous	2.0 (3/153)
Carotid ophthalmic	5.9 (9/153)
Superior hypophyseal	6.5 (10/153)
Posterior communication artery	5.9 (9/153)
Anterior choroidal artery	1.3 (2/153)
Internal carotid artery (supraclinoid)	4.6 (7/153)
Carotid bifurcation	2.0 (3/153)
Anterior cerebral artery	37.3 (57/153)
Anterior communicating artery	33.3 (51/153)
Pericallosal	3.9 (6/153)
Middle cerebral artery	11.1 (17/153)
Posterior cerebral artery	3.9 (6/153)
Basilar artery	17.6 (27/153)
Basilar tip	17.0 (26/153)
Anterior inferior cerebellar artery	0.0 (0/153)
Basilar trunk	0.7 (1/153)
Superior cerebellar artery	0.7 (1/153)
Vertebral artery	1.3 (2/153)
Posterior inferior cerebellar artery	0.7 (1/153)
VB junction	0.7 (1/153)