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Table 5 Assessment procedure

From: Introduction of organised mammography screening in tyrol: results of a one-year pilot phase

  40-49 50-59 60-69 Total
Additional imaging     
   Ultrasound 140 (100%) 106 (97.2%) 61 (92.4%) 307 (97.5%)
   MRI 24 (17.1%) 21 (19.3%) 21 (31.8%) 66 (21.0%)
Biopsy 63 (45.0%) 51 (46.8%) 37 (56.1%) 151 (47.9%)
   Core biopsy 51 (36.4%) 40 (36.7%) 30 (45.5%) 121 (38.4%)
   Fine needle biopsy 10 (7.1%) 10 (9.2%) 4 (6.1%) 24 (7.6%)
   Open biopsy 2 (1.4%) 1 (0.9%) 3 (4.5%) 6 (1.9%)
Biopsy rate per 1000 mammograms 8.8 9.0 7.7 8.6
PPV for core biopsy1) 35.3.4% 47.5% 80.0% 50.4%
PPV for open biopsy2)     66.7%
Total 140 109 66 315
  1. 1) For all fine needle biopsies the result was benign.
  2. 2) For six open biopsies two were benign and four malignant. Because of small numbers, PPV is shown only for the total.