Skip to main content

Advertisement

Table 2 Accumulated population level results for the period from 1996 to 2011. Detailed legend: Main accumulated results for the period from 1996 to 2011 in the analysis of the multi-cohort model reproducing the population of Basque women invited into the breast cancer screening programme

From: Evaluation of health benefits and harms of the breast cancer screening programme in the Basque Country using discrete event simulation

  Screened population Unscreened population
  Mean 95 % CI Mean 95 % CI
Number of women 411,782 (411,619, 411,945) 411,782 (411,619, 411,945)
Participation rate 77.80 % (77.6 %, 77.9 %) 0 % (0.0 %, 0.0 %)
Number of mammograms 1,308,030 (1,304,309, 1,311,750) 0 (0, 0)
False positive results 8,211 (7,876, 8,546) 0 (0, 0)
False positive/women 1.99 % (1.91 %, 2.08 %) - -
False positive/mammography 0.63 % (0.60 %, 0.65 %) - -
Screening-detected BC 5,267 (4,999, 5,535) 0 (0, 0)
Total detected BC 10,021 (9,644, 10,399) 8,567 (8,215, 8,918)
Difference in BC detection 1,454 (1,316, 1,593) - -
Increase in BC detection - - 17.0 % (15,2 %, 18,8 %)
BC deaths 1,512 (1,370, 1,655) 1,883 (1,725, 2,041)
Difference in BC deaths - - 371 (299, 442)
Difference in BC deaths/BC deaths - - 19.7 % (16.3 %, 23.1 %)
  1. BC Breast cancer, CI Confidence interval