UPDATED 15.10.2013 14:21

Organised breast cancer screening programme in Finland in the invitation year 1999. Numbers and percentage distribution of screened women, referrals to further examinations and to surgery, and histologically confirmed diagnoses by age groups. Information registered from 409 municipalities (out of 452).

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 88337 2714 3.07 2680 3.03 2178 2.47 718 0.81 432 0.49 120 0.14 297 0.34 15 0.02
55-592 55319 1320 2.39 1300 2.35 1058 1.91 392 0.71 304 0.55 36 0.07 259 0.47 9 0.02
60-64 9623 198 2.06 197 2.05 163 1.69 67 0.70 60 0.62 16 0.17 43 0.45 1 0.01
65-69 4556 91 2.00 89 1.95 76 1.67 24 0.53 25 0.55 4 0.09 21 0.46 - -
Total 157835 4323 2.74 4266 2.70 3475 2.20 1201 0.76 821 0.52 176 0.11 620 0.39 25 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).