UPDATED 21.11.2013 08:15


Organised breast cancer screening programme in the Pohjois-Pohjanmaa health care district in Finland in the invitation year 2011. 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 %
50-54 6868 351 5.11 252 3.67 315 4.59 12 0.17 66 0.96 24 0.35 40 0.58 2 0.03
55-59 4712 130 2.76 99 2.10 118 2.50 2 0.04 23 0.49 4 0.08 18 0.38 1 0.02
60-64 6410 176 2.75 142 2.22 156 2.43 5 0.08 57 0.89 13 0.20 43 0.67 1 0.02
65-69 136 4 2.94 3 2.21 4 2.94 - - 1 0.74 - - 1 0.74 - -
Total 18126 661 3.65 496 2.74 593 3.27 19 0.10 147 0.81 41 0.23 102 0.56 4 0.02

1 Age groups are defined on the basis of the invitation and the birth year.