Table 1

Patient, aneurysm, and procedure data

GeneralPatients: 370
Aneurysms: 390
Age: 55.79 years
Women: 75.13% (n=293)
Men: 24.87% (n=97)
Rupture statusRuptured: 54.87% (n=214)
Unruptured: 45.13% (n=176)
Aneurysm sizeSmall: 79.03% (n=309)
Large: 20.51% (n=80)
Giant: 0.26% (n=1)
Dome volume: 255.13 mm3
Neck size: 3.80 mmAspect ratio: 2.12
Aneurysm locationAnterior circulation: 92.05% (n=359)

  • Cavernous ICA: 3.08% (n=12)

  • Ophthalmic: 10.51% (n=41)

  • Superior hypophyseal: 6.67% (n=26)

  • Posterior communicating: 24.62% (n=96)

  • Anterior choroidal: 1.54% (n=6)

  • ICA other: 7.95% (n=31)

  • ICA bifurcation: 3.85% (n=15)

  • Anterior communicating: 20.77% (n=81)

  • Pericallosal: 1.28% (n=5)

  • ACA other: 1.03% (n=4)

  • MCA: 10.77% (n=42)

Posterior circulation: 7.95% (n=31)

  • Vertebral: 1.28% (n=5)

  • PICA: 0.77% (n=3)

  • Basilar trunk: 0.51% (n=2)

  • SCA: 0.77% (n=3)

  • Basilar tip: 3.85% (n=15)

  • PCA: 0.51% (n=2)

Procedure assistanceStand-alone: 61.79% (n=241)
Balloon: 10.00% (n=39)
Stent: 28.21% (n=110)
Coil typeGalaxy: 7.69% (n=30)
GDC: 15.90% (n=62)
Hydrocoil: 0.26% (n=1)
Matrix: 7.69% (n=30)
Orbit: 33.59% (n=131)
Penumbra: 22.05% (n=86)
Target: 4.87% (n=19)
Trufill: 7.69% (n=30)
Unknown: 0.26% (n=1)
Multiple coil types: 17.69% (n=69)
Stent dataEnterprise: 64.55% (n=71)
Liberty: 9.09% (n=10)
Neuroform: 28.18% (n=31)
Multiple stents: 1.82% (n=2)

  • ACA, anterior cerebral artery; ICA, internal carotid artery; MCA, middle cerebral artery; PCA, posterior cerebral artery; PICA, posterior inferior cerebellar artery; SCA, superior cerebellar artery.