HRCT measurements stratified by pulmonary artery:ascending aorta (PA:A) diameter ratio
| PA:A ratio ≤1 | PA:A ratio >1 | p-value | |
| Subjects n | 67 | 31 | |
| Ascending aorta diameter mm | 35.6 (31.5–39.7) | 33.7 (29.9–37.5) | 0.02 |
| Pulmonary artery diameter mm | 31.1 (27.7–34.5) | 36.3 (32.5–40.1) | <0.001 |
Data are presented as mean (95% CI), unless otherwise stated.