| Parameter | fPSA/PSA (%) | KLK-2/PSA (%) | KLK-2/fPSA (%) |
| Cut off (ng/ml) | >18 | >1.032 | >7.218 |
| Sensitivity% | 93% | 83% | 67% |
| Specificity% | 80% | 73% | 62% |
| PPV% | 76% | 69% | 55% |
| NPV% | 94% | 86% | 73% |
| O.R | 55 | 14.2 | 3.38 |
| P. value* | 0.00 | 0.00 | 0.00 |