Table 3 Objective image quality parameters
Respiratory self-navigated | Respiratory motion-resolved | p value | |
|---|---|---|---|
Signal intensity ratio | |||
Sinus | 6.9 ± 4.5 | 7.7 ± 2.2 | 0.325 |
Sinotubular junction | 7.2 ± 5.4 | 7.8 ± 2.2 | 0.601 |
Ascending aorta | 7.1 ± 5.2 | 7.3 ± 2.5 | 0.829 |
Proximal arch | 5.6 ± 3.4 | 6.1 ± 1.8 | 0.475 |
Mid arch | 4.7 ± 1.9 | 5.6 ± 1.7 | 0.035* |
Proximal descending aorta | 5.0 ± 1.3 | 8.0 ± 2.7 | < 0.0001* |
Mid-descending aorta | 6.0 ± 2.8 | 9.2 ± 2.9 | 0.0001* |
Signal homogeneity | 274.2 ± 265.0 | 199.8 ± 67.2 | 0.129 |
Right coronary artery sharpness | 45.3 ± 10.7 | 50.6 ± 10.1 | 0.025* |