UPDATED 15.10.2013 14:01


Organised breast cancer screening programme in the Kuopio region 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 9660 352 3.64 351 3.63 190 1.97 96 0.99 68 0.70 25 0.26 39 0.40 4 0.04
55-592 5699 104 1.82 104 1.82 56 0.98 28 0.49 24 0.42 11 0.19 11 0.19 2 0.04
60-64 8744 196 2.24 194 2.22 93 1.06 70 0.80 45 0.51 10 0.11 35 0.40 - -
65-69 - - - - - - - - - - - - - - - - -
Total 24103 652 2.71 649 2.69 339 1.41 194 0.80 137 0.57 46 0.19 85 0.35 6 0.02

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).