UPDATED 15.10.2013 13:59


Organised breast cancer screening programme in the Uusimaa and Helsinki health care districts 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.

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 20287 507 2.50 489 2.41 460 2.27 193 0.95 91 0.45 19 0.09 70 0.35 2 0.01
55-592 12819 293 2.29 281 2.19 260 2.03 133 1.04 85 0.66 9 0.07 72 0.56 4 0.03
60-64 853 20 2.34 19 2.23 17 1.99 8 0.94 6 0.70 - - 6 0.70 - -
65-69 1537 33 2.15 31 2.02 27 1.76 10 0.65 9 0.59 - - 9 0.59 - -
Total 35496 853 2.40 820 2.31 764 2.15 344 0.97 191 0.54 28 0.08 157 0.44 6 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).