Table 3.
Hemodynamic factors
| Variables | Aneurysms | p value‡ (2-tailed) | ||
|---|---|---|---|---|
| Total (n = 40) | Ruptured group (n = 20) | Unruptured group (n = 20) | ||
| WSSmax, Pa | 53.72 (26.075) | 55.65 (32.700) | 51.78 (17.845) | 0.607 |
| WSSmin, Pa | 0.75 (1.268) | 0.28 (0.289) | 1.22 (1.658) | 0.020 |
| TAWSS, Pa | 13.87 (8.774) | 12.72 (10.234) | 15.02 (7.105) | 0.392 |
| OSI, Pa | 0.0090 (0.00940) | 0.0104 (0.02054) | 0.0061 (0.00871) | 0.156 |
| LSA,% | 0.40 (4.344) | 2.55 (16.536) | 0.12 (1.044) | 0.011 |
| Flow stability | ||||
| Stable (%) | 14 (35) | 6 (30) | 8 (40) | 0.754 |
| Unstable (%) | 26 (65) | 14 (70) | 12 (60) | |
| Flow complexity | ||||
| Simple (%) | 11 (27.5) | 3 (15) | 8 (40) | 0.125 |
| Complex (%) | 29 (72.5) | 17 (85) | 12 (60) | |
| WSSmax location | ||||
| Neck (%) | 33 (82.5) | 17 (85) | 16 (80) | 1.000 |
| Dome (%) | 7 (17.5) | 3 (15) | 4 (20) | |
| WSSmin location | ||||
| Neck (%) | 9 (22.5) | 1 (5) | 8 (40) | 0.039 |
| Dome (%) | 31 (77.5) | 19 (95) | 12 (60) | |
The comparisons of WSSmin, LSA and WSSmin location on the aneurysms between the two groups were of significant differences (p < 0.05). (‡, paired-sample t test, Wilcoxon’s sign rank test or McNemar’s test as appropriate).