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Table 5 Interobserver variability

From: 2D cine vs. 3D self-navigated free-breathing high-resolution whole heart cardiovascular magnetic resonance for aortic root measurements in congenital heart disease

 

CuCo max

CuCu max

2D cine

 Mean difference (mm)

0.5

0.6

 95% Limits of agreement (mm)

− 2.9 to 3.9

− 2.7 to 3.8

 Standard deviation (mm)

1.7

1.6

 Variance (mm2)

3.0

2.7

 ICC

0.966

0.983

3D self nav

 Mean difference (mm)

− 0.3

1.0

 95% Limits of agreement (mm)

− 6.4 to 5.8

− 2.6 to 4.5

 Standard deviation (mm)

3.1

1.8

 Variance (mm2)

9.7

3.2

 ICC

0.950

0.978

 P value (t-test)

0.484

0.495

 p-value (F test)

0.139

0.910

  1. Abbreviations: see Tables 3 and 4