Table 5. Analysis of diagnostic efficacy of bpMRI and PET/CT.
| Variable | Qualitative diagnosis | Risk stratified diagnosis | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AUC (95% CI) | Cut-off value | Sensitivity/specificity | Youden index | AUC (95% CI) | Cut-off value | Sensitivity/specificity | Youden index | ||
| bpMRI | 0.87 (0.79–0.93) | 3 | 0.79/0.81 | 0.60 | 0.83 (0.74–0.89) | 4 | 0.63/0.88 | 0.51 | |
| PET/CT | 0.85 (0.77–0.91) | 10.9 | 0.69/0.95 | 0.64 | 0.88 (0.80–0.93) | 12.9 | 0.74/0.94 | 0.68 | |
| bpMRI/PET | 0.90 (0.84–0.96) | NA | 0.94/0.81 | 0.75 | 0.90 (0.84–0.95) | NA | 0.80/0.88 | 0.68 | |
bpMRI, biparametric magnetic resonance imaging; PET/CT, positron emission tomography/computed tomography; AUC, area under the curve.