Table 3 Inter-observer agreement of the 3T cases at CHUV (n=30)
Reader | 1 vs. 2 | 1 vs. 3 | 1 vs. 4 | 2 vs. 3 | 2 vs. 4 | 3 vs. 4 |
|---|---|---|---|---|---|---|
Qualitative quality assessment | ||||||
Total quality score | ||||||
Mean Δ±SD | 0.1±2.0 | 1.5±2.3 | 0.8±1.4 | 1.4±2.8 | 0.7±2.4 | −0.7±2.1 |
Mean score | 4.9 | 4.2 | 4.5 | 4.1 | 4.5 | 3.8 |
Total quality score | ||||||
Correlation coefficient | 0.79 | 0.64 | 0.86 | 0.56 | 0.70 | 0.66 |
Inter-observer agreement | 87% | 93% | 93% | 80% | 80% | 100% |
Quantitative quality assessment: SI analysis | ||||||
LGE: Agreement for SNR classes | ||||||
SI anterior wall | 80% | 81% | 82% | 74% | 79% | 88% |
SI inferior wall | 83% | 81% | 71% | 81% | 64% | 77% |
Perfusion: Agreement for classes of SI increase during first pass | ||||||
SI anterior wall | 96% | 86% | 90% | 89% | 86% | 82% |
SI inferior wall | 83% | 70% | 74% | 83% | 79% | 67% |
Global assessment | ||||||
Overall agreement | 80% | 87% | 83% | 80% | 83% | 83% |