Table 4 Diagnostic values of models in the training group and validation group for the results of prostate biopsy
Prediction model | Cutoff | Youden index | SEN (%) | SPE (%) | PPV (%) | NPV (%) | FNR (%) | FPR (%) | AUC | P-value (AUC) |
|---|---|---|---|---|---|---|---|---|---|---|
Model 1(Training group) | > 0.641 | 0.553 | 61.04 | 95.25 | 90.4 | 73.2 | 38.96 | 4.75 | 0.826 | < 0.001 |
Model 2(Training group) | > 0.502 | 0.568 | 74.03 | 82.76 | 79.2 | 78.3 | 25.97 | 17.24 | 0.846 | < 0.001 |
Model 1(Validation group) | > 0.519 | 0.418 | 60.34 | 81.43 | 72.9 | 71.2 | 39.66 | 18.57 | 0.762 | < 0.001 |
Model 2 (Validation group) | > 0.440 | 0.518 | 77.01 | 74.76 | 71.7 | 79.7 | 22.99 | 25.24 | 0.814 | < 0.001 |