Table 2 Comparison of 23 semiautomatically extracted morphological parameters between unruptured (n = 101) and ruptured (n = 40) sias.
Morphological parameters | Unit | Unruptured (n = 101) | Ruptured (n = 40) | p-value |
|---|---|---|---|---|
Maximum diameter | mm | 3.73 (± 0.82) | 4.11 (± 0.76) | 0.01 |
Maximum height | mm | 2.53 (± 0.77) | 2.91 (± 0.75) | 0.009 |
Maximum height 2 | mm | 2.53 (± 0.77) | 2.91 (± 0.75) | 0.009 |
Perpendicular height | mm | 2.15(± 0.8) | 2.27 (± 0.74) | 0.4 |
Perpendicular height 2 | mm | 2.92 (± 0.81) | 2.59 (± 0.75) | 0.05 |
Perpendicular maximum width | mm | 3.12 (± 0.76) | 3.23 (± 0.69) | 0.07 |
Parallel maximum width | mm | 3.33 (± 0.78) | 3.59 (± 0.76) | 0.4 |
Average neck diameter | mm | 2.79 (± 0.67) | 2.81 (± 0.66) | 0.8 |
Maximum neck diameter | mm | 3.15 (± 0.73) | 3.21 (± 0.76) | 0.7 |
Aneurysm area | mm2 | 22.12 (± 11.07) | 25.11 (± 9.75) | 0.1 |
Aneurysm volume | mm3 | 12.73 (± 8.88) | 14.18(± 7.6) | 0.4 |
Ostium area 1 | mm2 | 6.88 (± 3.04) | 7.06(± 3.2) | 0.8 |
Ostium area 2 | mm2 | 6.35(± 2.83) | 6.35(± 2.78) | 1 |
Aspect ratio 1 | – | 0.76 (± 0.35) | 0.85(± 0.3) | 0.2 |
Aspect ratio 2 | – | 0.86(± 0.39) | 0.96 (± 0.35) | 0.1 |
Convex hull volume | mm3 | 14.26(± 9.53) | 16.24 (± 8.33) | 0.3 |
Convex hull surface | mm2 | 29.41 (± 13.08) | 32.82 (± 11.46) | 0.2 |
Ellipticity index | – | 0.28 (± 0.04) | 0.28 (± 0.02) | 0.5 |
Non-sphericity index | – | 0.1 (± 0.06) | 0.13(± 0.06) | 0.01 |
Undulation index | – | 0.13(± 0.06) | 0.13 (± 0.07) | 0.6 |
Alpha | degree | 64.32 (± 17.55) | 72.59 (± 18.68) | 0.5 |
Beta | degree | 56.06(± 17.86) | 55.37(± 14.0) | 0.06 |
Gamma | degree | 59.62 (± 21.60) | 52.04 (± 19.3) | 0.06 |