UPDATED 15.10.2013 14:09


Organised breast cancer screening programme in the Helsinki region in Finland in the invitation year 1994. 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 18011 606 3.36 603 3.35 475 2.64 251 1.39 111 0.62 26 0.14 79 0.44 6 0.03
55-592 14952 345 2.31 342 2.29 261 1.75 118 0.79 68 0.45 18 0.12 48 0.32 2 0.01
60-64 3042 48 1.58 47 1.55 38 1.25 22 0.72 14 0.46 2 0.07 12 0.39 - -
65-69 400 7 1.75 7 1.75 7 1.75 5 1.25 2 0.50 - - 2 0.50 - -
Total 36405 1006 2.76 999 2.74 781 2.15 396 1.09 195 0.54 46 0.13 141 0.39 8 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).