Table 3 ROC analysis data for separation of ISUP GG > 1 from GG-1 and benign lesions for [68Ga]Ga-PSMA-11 SUVmax and [82Rb]Rb SUVmax
Measure | Cut-off | AUC | Sensitivity | Specificity | Correctly classified | False negative | False positive | Negative predictive value | Positive predictive value |
|---|---|---|---|---|---|---|---|---|---|
[68Ga]Ga-PSMA-11 SUVmax | 5.75 | 0.87 | 93% | 83% | 48 | 3 | 1 | 0.63 | 0.98 |
[82Rb]Rb SUVmax | 3.21 | 0.84 | 87% | 83% | 45 | 6 | 1 | 0.45 | 0.98 |
Combined model | PSMA = 5.75 [82Rb]Rb = 3.21 | 0.89 | 98% | 83% | 50 | 1 | 1 | 0.83 | 0.98 |