Table 1 Bland-Altman analyses of aortic size measurements obtained by different techniques and from different MRI sequences in paediatric aortopathy (N = 20).
From: Optimising the accuracy and reproducibility of aortic root measurements from cardiac MRI data
| Â | Â | Â | Â | REPRODUCIBILITY OF REPEAT 3D MEASUREMENTS (one week in between) | ||
|---|---|---|---|---|---|---|
| Â | MAXIMUM DIAMETER | DIFFERENCE between 3D PERPENDICULAR and 2D CINE | MAXIMUM DIAMETER | PLANIMETRIC AREA | ||
AORTIC LEVEL | 2D CINE IMAGING mm [SD] | 3D SSFP IMAGING mm [SD] | Mean difference % [95%CI] | Mean difference mm [95%CI] | Mean difference % [95%CI] | Mean difference % [95%CI] |
Hinge | 23.8 [5.1] | 26.1 [5.5] | 9.1 [-23.4;47.7] | 0.3 [-3.6;3.1] | 1.0 [-16.7;13.2] | 5.6 [-10.6;11.6] |
Sinus | 32.7 [8.0] | 33.7 [8.1] | 2.9 [-11.7;17.2] | 0.1 [-2.2;2.1] | 1.2 [-8.5;10.9] | 5.0 [-10.8;8.9] |
Sinutubular | 24.4 [7.7] | 27.2 [8.2] | 11.2 [-3.9;16.3] | -0.2 [-3.4;3.0] | -0.9 [-12.6;10.7] | -1.4 [-18.2;15.4] |