Table 1 Comparison of Intraplaque Lipid Detection Between RF Parameters and Gray-Scale IVUS
| Â | Variance among all ROIs >32 | Variance in the axial direction >11 | Gray-scale IVUS |
|---|---|---|---|
Sensitivity (%) | 84.6* | 69.2 | 46.2 |
Specificity (%) | 75.0 | 75.0 | 87.5 |
Positive predictive value (%) | 73.3 | 69.2 | 75.0 |
Negative predictive value (%) | 85.7 | 75.0 | 66.7 |