UPDATED 15.10.2013 14:11

Organised breast cancer screening programme in Finland in the invitation year 1995. Numbers and percentage distribution of screened women, referrals to further examinations and to surgery, and histologically confirmed diagnoses by age groups. Information registered from 392 municipalities (out of 455).

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 72236 2598 3.60 2590 3.59 1949 2.70 740 1.02 471 0.65 200 0.28 262 0.36 9 0.01
55-592 53505 1326 2.48 1315 2.46 920 1.72 340 0.64 262 0.49 75 0.14 182 0.34 5 0.01
60-64 9450 215 2.28 211 2.23 139 1.47 41 0.43 52 0.55 10 0.11 39 0.41 3 0.03
65-69 5977 141 2.36 140 2.34 85 1.42 35 0.59 40 0.67 6 0.10 33 0.55 1 0.02
Total 141168 4280 3.03 4256 3.01 3093 2.19 1156 0.82 825 0.58 291 0.21 516 0.37 18 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).