Breast Screening and Mortality Reduction
Author Information
Author(s): McCann J, Duffy S, Day N
Primary Institution: Cancer Intelligence Unit, University of Cambridge Institute of Public Health
Hypothesis
The study aims to estimate the reduction in breast cancer mortality expected from the East Anglian breast screening programme.
Conclusion
The second round of screening in East Anglia is expected to reduce mortality by around 7% in women below age 55 and by around 19% in those aged 55–64.
Supporting Evidence
- Mammographic screening can reduce breast cancer mortality.
- The study predicts a 7% mortality reduction for women under 55 and 19% for those aged 55-64.
Takeaway
Getting screened for breast cancer can help find it earlier, which means women can get treatment sooner and live longer.
Methodology
The study compared cancer prognosis between women invited for screening and those not yet invited, analyzing data from women diagnosed with invasive breast cancer.
Participant Demographics
Women eligible for invitation to first and second screens diagnosed with invasive breast cancer between 1989 and 1996.
Statistical Information
Confidence Interval
95% CI 0.78, 0.93
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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