UPDATED 15.10.2013 14:04

Organised breast cancer screening programme in Finland in the invitation year 1992. Numbers and percentage distribution of screened women, referrals to further examinations and to surgery, and histologically confirmed diagnoses by age groups. Information registered from 272 municipalities (out of 461).

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 33553 1040 3.10 1035 3.08 813 2.42 291 0.87 178 0.53 74 0.22 103 0.31 1 0.00
55-592 32489 644 1.98 642 1.98 491 1.51 196 0.60 144 0.44 34 0.10 108 0.33 2 0.01
60-64 11346 192 1.69 192 1.69 120 1.06 40 0.35 48 0.42 11 0.10 36 0.32 1 0.01
65-69 2074 48 2.31 47 2.27 34 1.64 16 0.77 17 0.82 - - 17 0.82 - -
Total 79462 1924 2.42 1916 2.41 1458 1.83 543 0.68 387 0.49 119 0.15 264 0.33 4 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).