Table 2:

Characteristics of intracranial aneurysms between the AD group and controls

CharacteristicsAD Group (n = 14)Controlsa (n = 95)P Value
Location
    MCA5 (35.7)8 (8.4).012
    ACA2 (14.3)11 (11.6).673
    ICA4 (28.5)74 (77.9)<.0001
    VBA3 (21.4)2 (2.1).015
Aneurysm size
    Mean diameter (mm)5.79 ± 3.263.04 ± 1.57.008
    ≥7 mm4 (28.6)5 (5.3).003
Aneurysm morphology
    Saccular type14 (100)94 (98.9)
Arch vessel involvement6 (42.8)0
Diagnostic imaging modality
    Brain CTA7 (50)0
    Brain MRA7 (50)95 (100)
  • Note:—ACA indicates anterior cerebral artery; VBA, vertebrobasilar artery.

  • a Multiple aneurysms in 11 of 79 controls: 2 IAs in 8, three IAs in 1, and 4 IAs in 2.