Normal adult thoracic aortic diameters
| Thoracic aorta | Range of reported mean (cm) | Reported SD (cm) |
|---|---|---|
| Root (female) | 3.50–3.72 | 0.38 |
| Root (male) | 3.63–3.91 | 0.38 |
| Ascending (female, male) | 2.86 | NA |
| Mid-descending (female) | 2.45–2.64 | 0.31 |
| Mid-descending (male) | 2.39–2.98 | 0.31 |
| Diaphragmatic (female) | 2.40–2.44 | 0.32 |
| Diaphragmatic (male) | 2.43–2.69 | 0.27–0.40 |
Adapted from Hiratzka et al.25