Research Article

Urinary Biomarker Panel to Improve Accuracy in Predicting Prostate Biopsy Result in Chinese Men with PSA 4–10 ng/mL

Table 6

Number of high-grade prostate cancers missed and reduction in biopsies according to threshold probability in the range of 10–40% for the base model and improved model.

Probability cutoff, %ModelPCa missed, number (%)High-grade PCa missed, number (%)Unnecessary biopsies spared, number (%)

15Base model1 (3.0%)0 (0%)22 (24.4%)
Improved model1 (3.0%)1 (3.0%)35 (39.3%)
20Base model1 (3.0%)0 (0%)11 (12.3%)
Improved model2 (6.1%)1 (3.0%)42 (47.2%)
25Base model1 (3.0%)0 (0%)23 (25.9%)
Improved model3 (9.1%)2 (6.1%)44 (49.5%)
30Base model2 (6.1%)1 (3.0%)33 (37.4%)
Improved model3 (9.1%)2 (6.1%)47 (52.5%)
35Base model4 (12.1%)3 (9.1%)44 (49.2%)
Improved model3 (9.1%)2 (6.1%)51 (57.0%)
40Base model7 (21.2%)5 (15.2%)49 (54.6%)
Improved model5 (15.2%)4 (12.1%)60 (66.9%)