Table 4:

Index values for growing and stable aneurysms segregated by aneurysm typea

Bifurcation (n = 16)Sidewall (n = 77)
Max diameter
    Growing4.19 ± 1.683.93 ± 2.21
    Stable3.96 ± 2.164.18 ± 1.79
Volume
    Growing54.8 ± 52.5122 ± 214
    Stable51.0 ± 57.158.2 ± 114
Surface area
    Growing68.9 ± 42.9113 ± 145
    Stable62.7 ± 51.871.7 ± 73.0
NSI
    Growing0.31 ± 0.100.39 ± 0.11b,c
    Stable0.22 ± 0.070.31 ± 0.12b
Aspect ratio
    Growing1.00 ± 0.331.01 ± 0.57
    Stable1.02 ± 0.321.02 ± 0.41
Size ratio
    Growing1.71 ± 1.451.11 ± 0.77
    Stable1.37 ± 0.911.15 ± 0.62
  • Note:—Max indicates maximum.

  • a Data are presented as mean ± SD.

  • b Significant difference between groups.

  • c P < .01.