Table 2.
(a) Diagnostic Performance of the Adaptive IVIM Parameters for Distinguishing Between the HCCs and the Other Hepatic Lesions with Three Exponential Terms
| AUC | 95% CI | Cutoff value (×10-3 mm2/s) |
Sensitivity | Specificity | |
|---|---|---|---|---|---|
| fd | 0.576 | 0.409 – 0.730 | >0.756 | 98.79% | 25.00% |
| D | 0.77 | 0.609 – 0.888 | <=1.649 | 91.67% | 56.25% |
| f1 | 0.625 | 0.458 – 0.773 | <=0.153 | 91.67% | 37.50% |
| D1* | 0.669 | 0.503 – 0.810 | >20.842 | 50.00% | 93.75% |
| f2 | 0.568 | 0.402 – 0.723 | <=0.035 | 54.17% | 75.00% |
| D2* | 0.927 | 0.799 – 0.985 | >268.000 | 98.88% | 75.00% |
| (b) Z Test Results among AUC Comparisons of the Adaptive IVIM Parameters in (a). | ||||||
|---|---|---|---|---|---|---|
| fd | D | f1 | D1* | f2 | D2* | |
| fd | — | 0.083 | 0.366 | 0.497 | 0.937 | 0.002 |
| D | — | — | 0.225 | 0.401 | 0.031 | 0.089 |
| f1 | — | — | — | 0.746 | 0.659 | 0.006 |
| D1* | — | — | — | — | 0.421 | 0.007 |
| f2 | — | — | — | — | — | 0.001 |
| D2* | — | — | — | — | — | — |
AUC = area under curve.