Table 5 Inter-study reproducibility for qualitative perfusion parameters.
All Subjects | Control | Case | |||||||
|---|---|---|---|---|---|---|---|---|---|
Parameter | Mean Difference* | CoV | Perfect Agreement† | Mean Difference* | CoV | Perfect Agreement† | Mean Difference* | CoV | Perfect Agreement† |
Number of ischemic segments | |||||||||
Global | -0.15 ± 0.88 | 30.6 | 90.7 | -0.10 ± 0.57 | 75.7 ‡ | 96.2 | -0.20 ± 1.14 | 24.7 | 85.3 |
LAD | -0.00 ± 0.65 | 72.1 | 89.3 | -0.10 ± 0.74 | 210.8 ‡ | 95.2 | -0.10 ± 0.57 | 39.2 | 83.3 |
Circumflex | -0.05 ± 0.60 | 78.0 | 90.3 | -0.10 ± 0.32 | 210.8 ‡ | 96.2 | 0.00 ± 0.82 | 58.3 | 84.3 |
RCA | -0.07 ± 0.70 | 41.0 | 93.0 | -0.10 ± 0.32 | 126.5 ‡ | 97.6 | -0.25 ± 0.89 | 27.6 | 88.6 |
Transmural ischemia index | |||||||||
Global | -0.03 ± 0.10 | 8.1 | 90.7 | -0.04 ± 0.11 | 9.7 | 96.2 | -0.03 ± 0.09 | 7.1 | 85.3 |
LAD | -0.05 ± 0.29 | 22.8 | 89.3 | 0.00 ± 0.15 | 13.3 | 95.2 | 0.11 ± 0.38 | 26.7 | 83.3 |
Circumflex | -0.04 ± 0.21 | 17.6 | 90.3 | -0.08 ± 0.18 | 16.5 | 96.2 | 0.01 ± 0.23 | 18.1 | 84.3 |
RCA | -0.04 ± 0.17 | 13.4 | 93.0 | -0.02 ± 0.06 | 5.6 | 97.6 | -0.07 ± 0.24 | 16.8 | 88.6 |
Hypoenhancement ischemia index | |||||||||
Global | -0.04 ± 0.13 | 9.4 | 81.1 | -0.01 ± 0.06 | 5.4 | 94.2 | -0.07 ± 0.17 | 11.1 | 67.9 |
LAD | 0.06 ± 0.39 | 28.5 | 78.9 | 0.06 ± 0.14 | 12.1 | 90.3 | -0.04 ± 0.25 | 35.1 | 67.2 |
Circumflex | -0.05 ± 0.22 | 17.3 | 86.4 | -0.07 ± 0.21 | 18.6 | 98.1 | -0.08 ± 0.24 | 17.0 | 74.5 |
RCA | -0.11 ± 0.25 | 16.8 | 77.9 | -0.07 ± 0.14 | 11.0 | 95.2 | -0.06 ± 0.28 | 19.2 | 61.4 |
Infarct index | |||||||||
Global | -0.00 ± 0.06 | 4.7 | 96.0 | 0.00 ± 0.00 | 0.0 | 100.0 | 0.00 ± 0.08 | 6.1 | 94.2 |
LAD | 0.06 ± 0.39 | 4.2 | 95.4 | 0.00 ± 0.00 | 0.0 | 100.0 | 0.00 ± 0.07 | 5.5 | 96.7 |
Circumflex | -0.05 ± 0.22 | 6.4 | 97.1 | 0.00 ± 0.00 | 0.0 | 100.0 | -0.03 ± 0.11 | 7.7 | 94.2 |
RCA | -0.11 ± 0.25 | 9.6 | 95.3 | 0.00 ± 0.00 | 0.0 | 100.0 | 0.04 ± 0.17 | 11.8 | 90.9 |