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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

     REPRODUCIBILITY
OF REPEAT 3D MEASUREMENTS
(one week in between)
  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]