Table 1

Anticipated outcomes of 10 years of biennial mammographic screening of 10000 Australian women from 40 years of age

Total attributable to 10 years of screening
*Ductal carcinoma in situ. Adapted from Irwig et al. Review of the evidence about the value of mammographic screening in 40–49 year old women. NHMRC National Breast Cancer Centre of Australia.9
No of screens50000
No of assessments (further imaging)2820
No of biopsies300
No of invasive cancers129
No of DCIS*28
No of deaths prevented after 13 years8.8 (95% CL −1.84 to 19.3)