Descriptive statistics of pre- and post-implantation hemodynamics, aneurysm geometry, and stent characteristics for the fast (1) and slow (2) occlusion groups
| Characteristics | Variable | Group 1: fast | Group 2: slow | p Value | ||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| Hemodynamics (pre) | INFLOW (mL/s) | 1.47 | 1.72 | 2.62 | 1.69 | 0.0379* |
| VEL (cm/s) | 8.39 | 5.67 | 10.55 | 4.31 | 0.2098 | |
| SHR (1/s) | 124.21 | 93.02 | 118.19 | 86.65 | 0.4358 | |
| WSS (dyne/cm2) | 14.59 | 11.76 | 14.17 | 9.50 | 0.3373 | |
| CORELEN (cm) | 2.26 | 2.10 | 5.94 | 8.32 | 0.0646† | |
| MATT (s) | 0.37 | 0.62 | 0.14 | 0.14 | 0.4614 | |
| Hemodynamics (post) | INFLOW (mL/s) | 0.47 | 0.52 | 1.89 | 1.88 | 0.0210* |
| VEL (cm/s) | 1.13 | 0.92 | 3.11 | 2.04 | 0.0044* | |
| SHR (1/s) | 20.52 | 23.18 | 32.37 | 20.93 | 0.0210* | |
| WSS (dyne/cm2) | 4.00 | 8.09 | 2.36 | 1.86 | 0.2489 | |
| CORELEN (cm) | 25.52 | 46.62 | 38.39 | 46.59 | 0.1293 | |
| MATT (s) | 2.22 | 4.27 | 0.55 | 0.42 | 0.2489 | |
| Anatomy | VOL (mm3) | 911.83 | 1926.47 | 1143.52 | 1437.24 | 0.1434 |
| SIZE (mm) | 11.20 | 7.31 | 13.76 | 6.72 | 0.1746 | |
| NECK (mm) | 7.26 | 4.50 | 10.00 | 3.63 | 0.0731† | |
| AR | 10.74 | 4.22 | 9.29 | 2.15 | 0.2289 | |
| Devices | Pore density (1/mm2) | 35.72 | 16.33 | 29.40 | 22.63 | 0.0643† |
| Pore size (mm) | 0.11 | 0.04 | 0.15 | 0.06 | 0.1430 | |
| Porosity (%) | 45 | 9 | 49 | 14 | 0.2589 | |
| No. of stents | 1.46 | 0.49 | 1.25 | 0.43 | 0.1701 | |
*Statistically significant differences (p<0.05); †marginally significant differences (p<0.10).
AR, aspect ratio; CORELEN, mean aneurysm vortex coreline length; INFLOW, mean aneurysm inflow rate; MATT, mean aneurysm transit time; SHR, mean aneurysm shear rate; VEL, mean aneurysm velocity; WSS, mean aneurysm wall shear stress.