Table 3.
Average diameter in different locations along the aorta
| Maximal diameter (mm) | Baseline | Follow-up | ||||
|---|---|---|---|---|---|---|
| Manual | Semi-Automatic 1 | Semi-Automatic 2 | Manual | Semi-Automatic 1 | Semi-Automatic 2 | |
| Sinotubular junction | 37 ± 5 | 40 ± 5 | 39 ± 5 | 39 ± 5 | 42 ± 5 | 42 ± 4 |
| Mid ascending aorta | 44 ± 5 | 43 ± 6 | 44 ± 6 | 47 ± 6 | 45 ± 6 | 46 ± 6 |
| Proximal aortic arch | 37 ± 5 | 37 ± 4 | 38 ± 5 | 39 ± 4 | 39 ± 4 | 39 ± 4 |
| Mid aortic arch | 29 ± 3 | 30 ± 5 | 30 ± 5 | 30 ± 4 | 33 ± 5 | 32 ± 5 |
| Proximal descending aorta | 27 ± 5 | 27 ± 5 | 27 ± 5 | 29 ± 7 | 30 ± 6 | 29 ± 6 |
| Mid descending aorta | 26 ± 4 | 26 ± 4 | 26 ± 4 | 27 ± 4 | 28 ± 5 | 27 ± 5 |
| Diaphragm | 24 ± 4 | 24 ± 5 | 24 ± 4 | 25 ± 4 | 25 ± 5 | 25 ± 5 |
Manual = measurements performed manually with the double oblique method by observer 1
Semi-automatic 1 and Semi-automatic 2 = semi-automatically calculated diameters based on the locations identified on the baseline scan by observers 1 and 2, respectively. Data are represented as mean ± SD