Effect of false-positive screening mammograms on rescreening in Western Australia.

Objectives: To quantify the effect of previous false-positive mammogram results on rescreening rates in a population of women participating in the BreastScreen WA (BSWA) program.

Design And Participants: Retrospective cohort study of women aged 50-69 years who received free screening mammograms at BSWA between 1 January 1995 and 31 December 2007.

Main Outcome Measures: Percentages of women attending rescreening, and risk ratios for rescreening.