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Reduction in biopsies/cancers detected using as a threshold for biopsy a 20% or higher probability of cancer.
| No. biopsies | No. cancers: | No. high grade cancers: | ||||
|---|---|---|---|---|---|---|
| Performed | Avoided | Found | Missed | Found | Missed | |
| Biopsy all men at risk | 1000 | 0 (0%) | 317 | 0 (0%) | 175 | 0 (0%) |
| Biopsy if >= 20% risk from full model | 508 | 492 (49%) | 256 | 61 (19%) | 163 | 12 (4%) |
Numbers are given per 1000 men with elevated PSA (>= 3 ng/ml) and recommended for biopsy after clinical work-up.
