UPDATED 15.10.2013 14:19


Organised breast cancer screening programme in the Pohjois-Karjala health care district in Finland in the invitation year 1998. 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 3307 175 5.29 172 5.20 107 3.24 38 1.15 22 0.67 6 0.18 15 0.45 1 0.03
55-592 1605 68 4.24 68 4.24 39 2.43 14 0.87 8 0.50 1 0.06 6 0.37 1 0.06
60-64 1790 60 3.35 59 3.30 44 2.46 21 1.17 11 0.61 - - 11 0.61 - -
65-69 545 10 1.83 10 1.83 6 1.10 2 0.37 1 0.18 - - 1 0.18 - -
Total 7247 313 4.32 309 4.26 196 2.70 75 1.03 42 0.58 7 0.10 33 0.46 2 0.03

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).