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Table 1 Quantification results showing the mean values, mean difference between the two observers and its limits of agreement (LOA)

From: 4D flow MRI of the aorta becomes practical: performance and observer variability for a new semi-automated workflow for 3D visualization and quantification of aortic hemodynamics

 

Mean Controls

Mean BAVs

Mean Aneurysms

Mean Total

Mean Difference Controls

Mean Difference BAVs

Mean Difference Aneurysms

Mean Difference Total

LOA (+/-1.96*SD)

Peak Velocity (m/s)

1.16

1.31

1.22

1.32

0.02

0.10

0.16

0.09

0.66

Net flow (ml/cycle)

69.87

71.13

74.53

77.45

-0.86

6.40

8.22

4.59

16.19

Forward flow (ml/cycle)

70.53

73.73

77.16

79.40

-1.21

6.13

8.31

4.41

16.00

Reverse flow (ml/cycle)

-0.85

-2.48

-2.72

-2.00

-0.01

0.03

-0.26

-0.11

-3.11

Regurgitation (%)

1.23

3.54

3.93

2.71

0.05

0.32

0.15

-0.04

3.56