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Table 6 Lin’s concordance coefficient ρ c obtained for MBF and MFR comparisons in the 17-segment model

From: Cardiac PET/CT with Rb-82: optimization of image acquisition and reconstruction parameters

RP comparisons Patients without myocardial flow defects (n = 170 segments) Patients with myocardial flow defects (n = 170 segments)
  ρ c (Rest) [95% CI] ρ c (Stress) [95% CI] ρ c (MFR) [95% CI] ρ c (Rest) [95% CI] ρ c (Stress) [95% CI] ρ c (MFR) [95% CI]
B vs. A 0.932 [0.913;0.951] 0.945 [0.930;0.959] 0.908 [0.882;0.934] 0.962 [0.951;0.973] 0.985 [0.980;0.989] 0.936 [0.918;0.955]
C vs. A 0.943 [0.927;0.958] 0.945 [0.930;0.960] 0.909 [0.884;0.935] 0.983 [0.978;0.988] 0.983 [0.978;0.988] 0.957 [0.946;0.969]
D vs. A 0.911 [0.889;0.934] 0.956 [0.943;0.968] 0.954 [0.941;0.967] 0.970 [0.962;0.978] 0.969 [0.960;0.977] 0.968 [0.959;0.977]
E vs. A 0.920 [0.898;0.943] 0.966 [0.957;0.976] 0.886 [0.856;0.917] 0.980 [0.974;0.986] 0.984 [0.979;0.989] 0.968 [0.959;0.978]
F vs. A 0.940 [0.924;0.956] 0.933 [0.913;0.952] 0.897 [0.871;0.924] 0.976 [0.970;0.983] 0.986 [0.982;0.990] 0.973 [0.964;0.981]
G vs. A 0.907 [0.882;0.933] 0.952 [0.938;0.966] 0.874 [0.845;0.904] 0.938 [0.920;0.956] 0.978 [0.971;0.984] 0.938 [0.920;0.956]
H vs. A 0.784* [0.734;0.834] 0.667* [0.604;0.730] 0.879 [0.848;0.909] 0.735* [0.673;0.796] 0.892* [0.864;0.920] 0.805* [0.757;0.853]
  1. *p < 0.05 vs. other comparisons (in italics in same column)