UPDATED 15.10.2013 14:01


Organised breast cancer screening programme in the Pohjois-Savo health care district in Finland in the invitation year 1991. 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 2829 136 4.81 135 4.77 48 1.70 28 0.99 18 0.64 7 0.25 10 0.35 1 0.04
55-592 2041 43 2.11 43 2.11 17 0.83 14 0.69 13 0.64 10 0.49 3 0.15 - -
60-64 2538 71 2.80 69 2.72 20 0.79 17 0.67 11 0.43 3 0.12 8 0.32 - -
65-69 - - - - - - - - - - - - - - - - -
Total 7408 250 3.37 247 3.33 85 1.15 59 0.80 42 0.57 20 0.27 21 0.28 1 0.01

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).