Table 2.
Morphological and radiological characteristics, aneurysms’ hemodynamic characteristics.
| IOR | Non-IOR | P | |
|---|---|---|---|
| Characteristics | n = 96 | n = 96 | Value |
| Morphological and radiological characteristics | |||
| L (mm)∗ | 11.5 ± 7.9 | 9.7 ± 5.3 | 0.041 |
| D (mm)∗ | 10.8 ± 6.9 | 8.3 ± 4.2 | 0.032 |
| d (mm) | 7.9 ± 4.6 | 6.9 ± 3.4 | 0.063 |
| H (mm) | 9.7 ± 6.1 | 8.4 ± 5.2 | 0.378 |
| AR∗ | 1.8 ± 0.7 | 1.2 ± 0.5 | <0.001 |
| SR | 2.4 ± 1.4 | 2.2 ± 0.9 | 0.518 |
| UI | 0.10 ± 0.03 | 0.11 ± 0.04 | 0.202 |
| EI | 0.16 ± 0.06 | 0.12 ± 0.05 | 0.530 |
| NSI∗ | 0.22 ± 0.07 | 0.17 ± 0.05 | <0.001 |
| Multiple aneurysms | 0.949 | ||
| YES | 14 | 18 | |
| NO | 82 | 78 | |
| Daughter sac | 0.059 | ||
| YES | 19 | 7 | |
| NO | 77 | 89 | |
| Localization | N/A | ||
| Internal carotid artery | 11 | 11 | |
| Middle cerebral artery | 27 | 27 | |
| Anterior cerebral artery | 14 | 14 | |
| Anterior communicating artery | 32 | 32 | |
| Posterior circulation | 2 | 2 | |
| Aneurysms’ hemodynamic characteristics | |||
| NPa | 0.61 ± 0.22 | 0.60 ± 0.12 | 0.543 |
| NPm | 0.92 ± 0.32 | 0.89 ± 0.18 | 0.501 |
| NWSSa | 0.29 ± 0.20 | 0.31 ± 0.16 | 0.512 |
| NWSSm∗ | 0.48 ± 0.25 | 0.95 ± 0.64 | <0.001 |
| WSSG (Pa/m) | 13.73 ± 7.06 | 11.94 ± 6.75 | 0.096 |
| LSAR | 0.40 ± 0.23 | 0.35 ± 0.23 | 0.121 |
| OSI∗ | 0.044 ± 0.054 | 0.018 ± 0.005 | <0.001 |
| RRT | 7.81 ± 4.59 | 7.69 ± 2.63 | 0.392 |
∗Is the parameter with statistically significance; “N/A” is the parameter without further evaluation.