Table 2 Inter-observer agreement of the 1.5T 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 | ||||||
MeanΔ±SD | 0.2±1.6 | 0.3±1.6 | 0.0±1.5 | 0.1±0.9 | −0.3±2.0 | −0.4±2.0 |
Mean score | 3.5 | 3.4 | 3.6 | 3.3 | 3.5 | 3.5 |
Total quality score | ||||||
Correlation coefficient | 0.86 | 0.85 | 0.90 | 0.96 | 0.83 | 0.81 |
Inter-observer agreement | 97% | 97% | 100% | 100% | 97% | 97% |
Quantitative quality assessment: SI analyses | ||||||
LGE: Agreement for SNR classes | ||||||
SI anterior wall | 92% | 89% | 74% | 93% | 81% | 74% |
SI inferior wall | 77% | 81% | 70% | 85% | 77% | 74% |
Perfusion: Agreement for classes of SI increase during first pass | ||||||
SI anterior wall | 100% | 96% | 92% | 96% | 96% | 88% |
SI inferior wall | 88% | 76% | 84% | 83% | 87% | 79% |
Global Assessment | ||||||
Overall agreement | 97% | 97% | 100% | 100% | 97% | 97% |