UPDATED 15.10.2013 14:01


Organised breast cancer screening programme in the Keski-Pohjanmaa 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 %
50-542 845 51 6.04 51 6.04 43 5.09 10 1.18 7 0.83 4 0.47 3 0.36 - -
55-592 673 16 2.38 16 2.38 14 2.08 2 0.30 2 0.30 2 0.30 - - - -
60-64 614 11 1.79 11 1.79 11 1.79 1 0.16 2 0.33 1 0.16 1 0.16 - -
65-69 - - - - - - - - - - - - - - - - -
Total 2132 78 3.66 78 3.66 68 3.19 13 0.61 11 0.52 7 0.33 4 0.19 0 0.00

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).