Table 3 Sensitivity, specificity, diagnostic efficiency and AUC under ROC
PSA level (ng/ml) | Parameter | Optimal cut-off | Sensitivity (%) | Specificity (%) | Efficiency (%) | Reducible biopsies (%) | AUC-ROC |
|---|---|---|---|---|---|---|---|
4.0–20.0 | PSA | 10.085 | 53.1 | 68.1 | 36.2 | 68.2 | 0.615 |
PSAD | 0.198 | 72.9 | 66.1 | 48.1 | 55.2 | 0.748 | |
TZPSAD | 0.404 | 63.3 | 76.8 | 48.6 | 65.6 | 0.746 | |
4.0–10.0 | PSA | 8.590 | 22.9 | 82.1 | 18.8 | 81.0 | 0.501 |
PSAD | 0.174 | 64.6 | 67.5 | 43.6 | 60.8 | 0.663 | |
TZPSAD | 0.368 | 50.0 | 77.5 | 38.8 | 71.8 | 0.663 | |
10.0–20.0 | PSA | 14.535 | 41.4 | 73.7 | 30.5 | 67.9 | 0.559 |
PSAD | 0.255 | 82.9 | 65.9 | 54.6 | 47.2 | 0.796 | |
TZPSAD | 0.454 | 74.8 | 70.9 | 53.0 | 53.4 | 0.792 |