Table 2

Mean and SD of hemodynamic and geometric variables over the stable and unstable aneurysm groups, and corresponding p values of the paired Wilcoxon test

UnstableStable
VariableMeanSDMeanSDp Value
Hemodynamics
 Arterial flow (cm3/s)2.821.692.380.660.2349
 ICI1.090.791.270.570.3465
 Q (cm3/s)1.000.731.290.760.2393
 KE (erg)156.16128.17301.90249.010.1579
 SR (L/s)141.1083.92234.66179.950.0712
 VE (cm/s)8.804.6512.715.730.1823
 VO (L/s)195.22119.21339.28267.670.0499
 VD (erg)520.50612.011497.382476.020.1579
 WSSmax (dyne/cm2)226.76138.90279.47173.250.4802
 WSSmin (dyne/cm2)0.340.570.471.000.5303
 WSSmean (dyne/cm2)14.509.1325.3119.000.1361
 LSA (%)56.1834.1824.7925.290.0499
 SCI5.255.083.301.660.5829
 OSImax0.320.080.330.110.3078
 OSImean0.020.020.010.010.6949
 Corelen (cm)2.021.442.221.450.6379
 Podent0.230.140.190.110.4328
Geometry
 Avol (cm3)0.220.620.230.430.6949
 Asize (cm)0.8740.280.8642.731.0000
 Aarea (cm2)1.4923.711.4524.110.8139
 Nsize (cm)0.550.300.630.420.3882
 Narea (cm2)0.250.330.330.400.5303
 Depth (cm)0.571.340.531.570.8753
 AR1.150.190.870.310.1167
  • AR, aspect ratio; ICI, inflow concentration index; KE, kinetic energy; LSA, low shear stress area; OSI, oscillatory shear index; SCI, shear concentration index; SR, shear rate; VD, viscous dissipation; VE, velocity; VO, vorticity; WSS, wall shear stress.