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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: J Magn Reson Imaging. 2018 Oct 14;49(4):994–1005. doi: 10.1002/jmri.26305

Table 2.

Inter-observer reproducibility metrics and identification for all 13 abdominal vessels (arteries and veins) and individual arteries measured in 15 patients.

All vessels Hepatic artery Celiac trunk Splenic artery SMA Supraceliac aorta Infra renal aorta
Cohen’s kappa 0.70 0.55 1.00 0.99 0.42 1.00 0.81
p <0.001 0.02 <0.001 <0.001 0.101 <0.001 0.001
Area CV (%) 14.9 25.6 15.9 11.8 18.8 11.2 5.6
Bias (%) −1.5 −2.4 −8.0 12.0 −4.2 6.2 −4.5
BALA (%) −58.8,55.8 −87.2,82.3 −61.0,45.0 −28.2,52.2 −72.7,64.2 −42.1,54.6 −25.5,16.5
Average Velocity CV (%) 20.4 25.4 18.5 32.6 16.6 27.1 13.5
Bias (%) −10.5 −0.4 −6.2 −26.0 −4.3 −32.1 −4.2
BALA (%) −94.0, 73.0 −101.4,100.6 −71.4,59.0 −144.8,92.9 −79.9,71.3 −139.2,75.0 −54.5,46.1
Peak Velocity CV (%) 17.5 23.2 32.0 31.2 14.8 12.2 7.7
Bias (%) −5.4 −4.7 −18.6 −11.5 −9.2 5.7 5.5
BALA (%) −73.12, 62.4 −91.5,82.1 −116.5,79.4 −113.4,90.3 −72.4,54.0 −49.4,60.9 −20.8,31.9
Flow CV (%) 21.6 17.2 18.5 34.7 16.9 24.8 16.3
Bias (%) −11.3 −4.20 −14.1 −15.66 −8.58 −14.1 −6.64
BALA (%) −95.2,72.6 −70.8,62.4 −79.3,51.1 −142.4,111.1 −78.6,61.4 −113.6,85.4 −70.5,57.2

SMA=superior mesenteric artery; CV=coefficient of variation, BALA=Bland-Altman limits of agreement.