Table 2 Abdominal aortic aneurysm (AAA) morphological features.
T2EL-related re-intervention (n = 42) | non-T2EL (n = 241) | t/χ2/Z | P | |
|---|---|---|---|---|
Aneurysm neck features | ||||
Neck maximum diameter (cm) | 2.76 ± 0.35 | 2.81 ± 0.26 | − 0.83 | 0.408 |
Aneurysm neck length (cm) | 2.02 ± 0.19 | 2.07 ± 0.27 | − 1.29 | 0.197 |
Neck angle(α°) | 146.75 ± 8.62 | 145.58 ± 2.05 | 1.844 | 0.066 |
Neck angle(β°) | 153.41 ± 8.43 | 155.99 ± 11.19 | − 1.42 | 0.155 |
Aneurysm body features | ||||
Body maximum diameter (cm) | 5.80 ± 1.06 | 5.78 ± 0.61 | 0.206 | 0.837 |
Aneurysm body volume (ABV), CC | 175.1 ± 82.20 | 175.03 ± 0.49 | 0.44 | 0.662 |
Aneurysm thrombus volume (ATV), CC | 72.05 ± 16.05 | 87.70 ± 9.54 | − 6.13 | < 0.001 |
%VT | 41.13 ± 9.21 | 50.10 ± 5.45 | − 6.13 | < 0.001 |
Tortuosity index (L1/L2) | 1.26 ± 0.10 | 1.25 ± 0.11 | 2.666 | 0.461 |
Common iliac artery aneurysm | ||||
None | 48.84% | 60.74% | 1.793 | 0.181 |
Unilateral | 37.21% | 26.45% | 2.349 | 0.125 |
Bilateral | 9.30% | 12.81% | 0.368 | 0.544 |
Branching vessel features | ||||
Number of patency lumber arteries | 4(4,5) | 3(2,4) | 7.188 | < 0.001 |
Patency of inferior mesenteric artery (IMA) | 85.70% | 76.30% | 1.813 | 0.178 |
Diameter of IMA (mm) | 3.01 ± 0.46 | 2.63 ± 0.42 | 4.679 | < 0.001 |