Table 2.
Manual and automated measurements of aortic neck diameter, aortic aneurysm diameter, right and left iliac artery diameters, aortic neck length, and tortuosity.
| Landmark | Conventional measurement | Automated measurement | Difference (LoA) |
|---|---|---|---|
| Aortic neck diameter (mm) | 23.41 ± 3.25 | 24.60 ± 4.21 | − 1.19 ± 3.92 (− 8.88 to 6.50) |
| Aortic aneurysm diameter (mm) | 55.99 ± 10.02 | 55.76 ± 10.10 | 0.23 ± 4.00 (− 7.61 to 8.06) |
| Right iliac artery diameter (mm) | 18.76 ± 6.10 | 20.90 ± 5.57 | − 2.14 ± 4.37 (− 10.70 to 6.43) |
| Left iliac artery diameter (mm) | 16.96 ± 5.61 | 19.76 ± 5.34 | − 2.80 ± 4.09 (− 10.82 to 5.22) |
| Aortic neck length (mm) | 33.06 ± 13.50 | 35.71 ± 15.98 | − 2.65 ± 11.88 (− 25.94 to 20.64) |
| Tortuosity of right iliac artery | |||
| Curve length (mm) | 46.99 ± 12.40 | 56.93 ± 17.76 | − 9.95 ± 12.81 (− 35.05 to 15.16) |
| Line length (mm) | 42.41 ± 11.62 | 49.49 ± 13.98 | − 7.08 ± 10.57 (− 27.79 to 13.63) |
| Ratio | 1.13 ± 0.24 | 1.14 ± 0.10 | − 0.01 ± 0.20 (− 0.41 to 0.38) |
| Tortuosity of left iliac artery | |||
| Curve length (mm) | 52.27 ± 15.13 | 61.95 ± 17.64 | − 9.68 ± 10.96 (− 31.16 to 11.81) |
| Line length (mm) | 61.01 ± 17.64 | 53.65 ± 13.88 | 8.30 ± 7.78 (− 6.94 to 23.54) |
| Ratio | 0.86 ± 0.17 | 1.15 ± 0.15 | − 0.29 ± 0.22 (− 0.29 to 0.14) |
| Angulation | |||
| < 60° (n) | 86 | 89 | – |
| > 60° (n) | 10 | 7 | – |
LoA limit of agreement, n number of patients.