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Summary of patient demographics and aneurysm characteristics
Demographics and Characteristics 
No. of patients n = 74
Sex 
 Male 10 (13.5%)
 Female 64 (86.5%)
Age (mean) (range) (yr) 57.5 (32–80)
No. of aneurysms n = 86
 Unruptured 85 (98.8%)
 Ruptured 1 (1.2%)
Previous treatment 
 None 82 (95.3%)
 Coil embolization 4 (4.7%)
Aneurysm location 
 Anterior circulation 80 (93%)
  ICA 58 (67.4%)
  Posterior communicating artery 13 (15.1%)
  Anterior choroidal artery 2 (2.3%)
  MCA 4 (4.7%)
  Anterior cerebral artery 2 (2.3%)
  Anterior communicating artery 1 (1.2%)
 Posterior circulation 6 (7%)
  Vertebral artery 2 (2.3%)
  Basilar artery 3 (3.5%)
  Posterior cerebral artery 1 (1.2%)
Aneurysm size (mean) (range) (mm) 5.5 (1.2–16)

Demographics and Characteristics
No. of patients	n = 74
Sex
Male	10 (13.5%)
Female	64 (86.5%)
Age (mean) (range) (yr)	57.5 (32–80)
No. of aneurysms	n = 86
Unruptured	85 (98.8%)
Ruptured	1 (1.2%)
Previous treatment
None	82 (95.3%)
Coil embolization	4 (4.7%)
Aneurysm location
Anterior circulation	80 (93%)
ICA	58 (67.4%)
Posterior communicating artery	13 (15.1%)
Anterior choroidal artery	2 (2.3%)
MCA	4 (4.7%)
Anterior cerebral artery	2 (2.3%)
Anterior communicating artery	1 (1.2%)
Posterior circulation	6 (7%)
Vertebral artery	2 (2.3%)
Basilar artery	3 (3.5%)
Posterior cerebral artery	1 (1.2%)
Aneurysm size (mean) (range) (mm)	5.5 (1.2–16)