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Decision analysis per 1000 patients for high-grade cancer on confirmatory biopsy, using MRI result, PSA density, percent positive cores, total tumor length and percent cancer.
| Threshold Probability | Number of biopsies | High-grade cancers found | Biopsies avoided | High-grade cancers missed |
|---|---|---|---|---|
| 5% | 474 | 102 | 526 | 10 |
| 10% | 240 | 89 | 760 | 23 |
| 15% | 171 | 74 | 829 | 38 |
