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Table 3 Unadjusted screening performance measurements

From: Influence of breast compression pressure on the performance of population-based mammography screening

  Total Group 1 Group 2 Group 3 Group 4 Group 5
Recall/1000 22.8 25.0 20.5 22.3 21.8 24.3
False positives/1000 16.5 18.4 14.3 15.2 16.1 18.6
Screen-detected cancers/1000 6.3 6.7 6.2 7.1 5.7 5.7
Interval cancers/1000 2.0 1.4 1.8 1.8 2.5 2.7
Program sensitivity (%) 75.6 82.7 77.4 79.7 70.0 68.2
12-month sensitivity (%) 88.3 90.3 91.6 93.5 85.4 80.4
Specificity (%) 98.3 98.2 98.6 98.5 98.4 98.1
Positive predictive value (%) 27.5 26.7 30.1 31.8 26.3 23.5
  1. The sensitivity is calculated with all interval cancers, the 12-month sensitivity is calculated with the interval cancers that were detected within 12 months after the examination