UPDATED 15.10.2013 14:06

Organised breast cancer screening programme in Finland in the invitation year 1993. Numbers and percentage distribution of screened women, referrals to further examinations and to surgery, and histologically confirmed diagnoses by age groups. Information registered from 282 municipalities (out of 456).

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 36825 1250 3.39 1247 3.39 915 2.48 352 0.96 254 0.69 119 0.32 131 0.36 4 0.01
55-592 28001 586 2.09 583 2.08 427 1.52 155 0.55 141 0.50 38 0.14 101 0.36 2 0.01
60-64 14999 272 1.81 270 1.80 179 1.19 67 0.45 71 0.47 18 0.12 53 0.35 - -
65-69 4653 89 1.91 86 1.85 57 1.23 18 0.39 22 0.47 2 0.04 20 0.43 - -
Total 84478 2197 2.60 2186 2.59 1578 1.87 592 0.70 488 0.58 177 0.21 305 0.36 6 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).