Table 2

Aneurysm characteristics (N=150)

Aneurysm characteristics
Aneurysm status
 Ruptured9 (6.0%)
 Unruptured141 (94.0%)
Aneurysm location
 BA terminus59 (39.3%)
 ICA terminus6 (4.0%)
 MCA bifurcation45 (30.0%)
 ACom40 (26.7%)
Dome width (mm)
 Mean6.4
 Median6.3
 Range3.6–11.4
Dome height (mm)
 Mean6.1
 Median6.0
 Range3.1–10.3
Aneurysm neck size (mm)
 Mean4.8
 Median4.7
 Range2.0–8.2
Dome to neck ratio
 Mean1.4
 Median1.3
 Range1.0–2.0
  • ACom, anterior communicating artery; BA, basilar apex; ICA, internal carotid artery; MCA, middle cerebral artery.