UPDATED 17.10.2013 13:21


Organised breast cancer screening programme in the Oulu region in Finland in the invitation year 2001. Numbers and percentage distribution of screened women, referrals to further examinations and to surgery, and histologically confirmed diagnoses by age groups.

Age group1 Screened Referral Additional
mammogram
Ultra-
sonography
Fine-needle
biopsy
Surgery Histological diagnosis
      Benign      Malignant    Unknown
  n n % n % n % n % n % n % n % n %
50-542 11580 335 2.89 319 2.75 263 2.27 68 0.59 82 0.71 40 0.35 39 0.34 3 0.03
55-592 6662 133 2.00 127 1.91 103 1.55 25 0.38 41 0.62 16 0.24 22 0.33 3 0.05
60-64 2061 30 1.46 28 1.36 16 0.78 3 0.15 13 0.63 7 0.34 6 0.29 - -
65-69 162 1 0.62 1 0.62 1 0.62 - - 1 0.62 - - 1 0.62 - -
Total 20465 499 2.44 475 2.32 383 1.87 96 0.47 137 0.67 63 0.31 68 0.33 6 0.03

1 Age groups are defined on the basis of the invitation and the birth year.
2 Age groups targeted in the Decree of Public Health (1992).