Breast cancer mortality in participants of the Norwegian Breast Cancer Screening Program.
Bottom Line: The MRRs were adjusted for calendar period, attained age, years since inclusion in the cohorts, and self-selection bias.The mortality reduction associated with attendance in the program was 43% (MRR, 0.57; 95% confidence interval, 0.51-0.64) after adjusting for calendar period, attained age, years after inclusion in the cohort, and self-selection bias.After 15 years of follow-up, a 43% reduction in mortality was observed among women who attended the national mammographic screening program in Norway.
Affiliation: Department of Research, Cancer Registry of Norway, Oslo, Norway; Oslo and Akershus University College of Applied Sciences, Oslo, Norway.Show MeSH
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Mentions: The NBCSP is administered by the Cancer Registry of Norway and targets women ages 50 to 69 years.14 The program started in 4 of 19 counties in 1996 and became nationwide in 2005. The program is run according to European guidelines.15 Each woman in the target group receives a personal letter inviting her to undergo 2-view mammography screening every second year, regardless of her cancer history (Fig. 1).
Affiliation: Department of Research, Cancer Registry of Norway, Oslo, Norway; Oslo and Akershus University College of Applied Sciences, Oslo, Norway.