Table 1 Inter-study reproducibility of Aortic function from MRI (n=25)
From: Reproducibility of functional aortic analysis using MRI: the multi-ethnic study of atherosclerosis
Aortic parameters | Exam1 | Exam2 | P valuea | Mean difference | ICC |
|---|---|---|---|---|---|
Max. Asc. Aortic area (cm2) | 10.53 ± 1.91 | 10.61 ± 1.89 | 0.663 | -0.07 ± 0.83 | 0.91** |
Min. Asc. Aortic area (cm2) | 9.47 ± 1.72 | 9.59 ± 1.48 | 0.452 | -0.12 ± 0.77 | 0.89** |
Max. Desc. Aortic area (cm2) | 5.56 ± 1.24 | 5.57 ± 1.25 | 0.911 | -0.01 ± 0.25 | 0.98** |
Min. Desc. Aortic area (cm2) | 5.14 ± 1.19 | 5.14 ± 1.16 | 0.891 | -0.01 ± 0.26 | 0.98** |
Transit time (ms) | 16.52 ± 5.00 | 16.80 ± 5.44 | 0.721 | -0.28 ± 3.87 | 0.73** |
Transit distance (mm) | 148.25 ± 27.59 | 146.90 ± 26.44 | 0.827 | 1.34 ± 30.43 | 0.38* |
Asc. Aortic Strain (%) | 11.53 ± 6.44 | 10.55 ± 6.64 | 0.443 | 0.99 ± 6.32 | 0.53* |
Desc. Aortic Strain (%) | 8.65 ± 5.30 | 8.35 ± 5.26 | 0.706 | 0.30 ± 3.90 | 0.74** |
Pulse Wave Velocity (m/s) | 9.92 ± 4.18 | 9.94 ± 4.55 | 0.968 | -0.02 ± 3.03 | 0.77** |