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Positive predictive value of PSA > 4 ng/dL
| Comparison groups | Method 1 | Method 2 |
|---|---|---|
| PC Cases/Total biopsies |
616/1,378 |
284/1,378 |
| Positive Predictive Value | 44.70% | 20.60% |
Method 1: PC (all stages) vs. non-cancerous conditions (PIN, BPH, prostatitis).
Method 2: PC (stage II, III, IV) vs. other (stage I PC, PIN, BPH, prostatitis).
