Table 2:

Aneurysmal morphologic and FD-related parameters in the occluded and residual groupsa

ParameterOccludedResidualP Value
OsR0.35 ± 0.020.58 ± 0.03<.001b
NR1.30 ± 0.071.74 ± 0.18.02b
Size (mm)5.6 ± 0.66.6 ± 1.1.29
Neck diameter (mm)4.67 ± 0.266.06 ± 0.62.06
Aneurysm volume (mm3)251.52 ± 105.48502.75 ± 239.77.35
AR1.01 ± 0.081.12 ± 0.16.53
SR1.48 ± 0.192.00 ± 0.43.27
UI0.06 ± 0.010.07 ± 0.02.77
NSI0.23 ± 0.010.27 ± 0.03.43
EI0.21 ± 0.010.24 ± 0.02.33
BF1.26 ± 0.071.23 ± 0.08.15
AA89.39 ± 2.9889.32 ± 2.63.34
PVA3.17 ± 4.144.61 ± 6.27.84
MCR (%)27.46 ± 0.5126.93 ± 1.02.64
PD (1/mm2)28.35 ± 0.8625.79 ± 1.7.19
  • Note:—AA indicates aneurysm angle; AR, aspect ratio; BF, bottleneck factor; EI, ellipticity index; PD, pore density; PVA, parent vessel angle; SR, size ratio, UI, undulation index; NSI, nonsphericity index.

  • a Values expressed as average ± standard error.

  • b Significant difference.