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Table 4 Intra-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) 0.980 (p < 0.000) 0.985 (p < 0.000) 0.988 (p < 0.000) 0.971 (p < 0.000)
Mean difference 1.7 0.000 0.001 0.46444
Confidence interval difference −0.1;3.6 −0.003;0.003 −0.004;0.007 −0.279;1.208
p value difference 0.07 0.90 0.58 0.21
Mean relative unsigned difference 3% 2% 3% 1%
Coefficient of variance 7% 7% 7% 3%