Table 2 Comparison of the contrast ratio (CR) and relative standard deviation (RSD) signal intensity

Aortic root

2  (1.5, 2.4), p = 0.001*

1.5 (1.2, 1.7)

5.9 (4.2, 8.3), p = 0.8

5.6 (4.7, 6.6)

Mid ascending aorta

1.9 (1.4, 2.2), p = 0.16

1.5 (1.3, 1.9)

5.2 (3.9, 7.9), p = 0.05*

4.7 (2.5, 6.1)

Mid aortic arch

1.9 (1.2, 2.3), p = 0.006*

1.3 (1, 1.5)

6.2 (3.7, 8.4), p = 0.1

4.4 (3.8, 5.7)

Mid descending aorta

2.1 (1.5, 2.4), p < 0.001*

1.1 (1, 1.5)

5.1 (3.7, 7.4), p = 0.6

5.7 (6.8, 4.4)

Whole aorta

6.5 (4.6, 8.6), p = 0.002*

5.1 (4.4, 6.5)