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Table 3 Inter observer analysis for C, relative L, relative R and orientation of vortex ring cores

From: Vortex flow during early and late left ventricular filling in normal subjects: quantitative characterization using retrospectively-gated 4D flow cardiovascular magnetic resonance and three-dimensional vortex core analysis

  C L R Vortex Orientation
Intraclass correlation (absolute agreement) 0.940 (p<0.001) 0.976 (p<0.001) 0.964 (p<0.001) 0.985 (p<0.001)
Mean difference 0.8 0.002 0.003 0.286
Confidence interval difference −2.4;4.0 −0.003;0.006 −0.006;0.013 −0.239;0.811
p value difference 0.62 0.42 0.49 0.28
Mean relative unsigned difference 7% 4% 6% 1.5%
Coefficient of variance 11% 9% 13% 3%