Table 4.

Assessment of semi-automatic software compared with manual results

	Sinotubular junction	Mid ascending aorta	Proximal aortic arch	Mid aortic arch	Proximal descending aorta	Mid descending aorta	Diaphragm
Maximal diameter: Semi-Automatic 1 vs. Manual
Baseline
Mean difference ±SD (mm)	2.2 ± 2.2	1.1 ± 2.2	0.2 ± 1.3	1.1 ± 2.3	0.2 ± 1.0	0.4 ± 1.6	0.3 ± 1.1
ICC	0.95	0.96	0.98	0.91	0.99	0.95	0.98
Follow-up
Mean difference ±SD (mm)	3 ± 2.6	1.3 ± 2.5	0.44 ± 2.2	2.4 ± 2.6	0.9 ± 2.8	0.4 ± 2.1	0.4 ± 1.8
ICC	0.92	0.96	0.93	0.90	0.95	0.94	0.96
Maximal diameter: Semi-Automatic 2 vs. Manual
Baseline
Mean difference ±SD (mm)	2.0 ± 1.8	0.4 ± 1.7	0.6 ± 1.2	1.2 ± 1.9	0.0 ± 1.4	0.4 ± 2.0	0.4 ± 1.1
ICC	0.97	0.97	0.98	0.94	0.98	0.93	0.98
Follow-up
Mean difference ±SD (mm)	3.2 ± 2.6	0.3 ± 2.0	0.9 ± 2.1	2.3 ± 2.6	0.6 ± 2.6	0 ± 2.3	0.3 ± 1.6
ICC	0.92	0.97	0.94	0.91	0.96	0.93	0.97

The semi-automatic results were generated based on landmarks defined by observer 1 (semi-automatic 1) and observer 2 (semi-automatic 2)