Table 4.
Diagnostic performance of ADC and IVIM-derived parameters for discriminating malignant from benign PNSTs
| Parameters | AUC | 95% CI | Optimal Cutoff Value | Sensitivity | Specificity |
|---|---|---|---|---|---|
| ADCmean | 0.98 | 0.95–1.00 | 1.60 | 92% | 98% |
| ADCdark | 0.98 | 0.93–1.00 | 1.54 | 92% | 98% |
| ADCmin | 0.97 | 0.93–1.00 | 0.95 | 92% | 95% |
| Dmean | 0.98 | 0.95–1.00 | 1.41 | 92% | 98% |
| Ddark | 0.97 | 0.92–1.00 | 1.30 | 83% | 100% |
| Dmin | 0.99 | 0.99–1.00 | 0.96 | 100% | 96% |
| fcenter | 0.84 | 0.73–0.95 | 10 | 100% | 55% |
| fmargin | 0.81 | 0.67–0.95 | 16 | 83% | 75% |
| Dmargin | 0.99 | 0.97–1.00 | 1.15 | 92% | 100% |
AUC with 95% CI and sensitivity/specificity for optimum cutoff values. Cutoff values are shown as (value × 10–6 mm2/s) for ADC and D, or % for f, respectively.