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Table 4 Reduction in biopsies/cancers detected using as a threshold for biopsy a 20% or higher probability of cancer.

From: A panel of kallikrein markers can predict outcome of prostate biopsy following clinical work-up: an independent validation study from the European Randomized Study of Prostate Cancer screening, France

  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%)
  1. Numbers are given per 1000 men with elevated PSA (>= 3 ng/ml) and recommended for biopsy after clinical work-up.