Monitoring interval cancers in an Australian mammographic screening programme

Abstract

Objective - To report the interval cancer rate for Breast Screen Victoria. Design - Electronic linkage of Breast Screen Victoria records with those of the Victorian Cancer Registry. Interval cancers were expressed as a proportion of the underlying incidence (proportional incidence), and the sensitivity as the number of screen detected invasive breast cancers divided by the total number of invasive breast cancers diagnosed in the screening interval. Setting - Victoria, Australia where biennial screening is provided to women aged 40 and older. Subjects - Victorian women aged 40-79 who attended first round screening in 1994 (103 023 women) and 1995 (107 057 women). Results - The sensitivity of ..