Edinburgh Randomised Trial of Breast Cancer Screening
Author Information
Author(s): M.M. Roberts, F.E. Alexander, T.J. Anderson, A.P.M. Forrest, W. Hepburn, A. Huggins, A.E. Kirkpatrick, J. Lamb, W. Lutz, B.B. Muir
Primary Institution: University of Edinburgh
Hypothesis
Does screening for breast cancer reduce mortality in women aged 45-65?
Conclusion
The trial aims to determine the effectiveness of breast cancer screening in reducing mortality rates.
Supporting Evidence
- Previous studies have shown a significant benefit for women whose disease was found by screening.
- Long-term follow-up will be conducted to monitor breast cancer incidence and mortality.
- The trial has a power of 83% to detect a 35% reduction in mortality after 7 years.
Takeaway
This study is trying to find out if checking for breast cancer regularly helps save lives.
Methodology
Women aged 45-65 were randomly allocated to screening or control groups, with breast cancer incidence monitored over time.
Potential Biases
Potential biases include selection bias and length sampling bias.
Limitations
The study may have biases due to the nature of randomisation and the exclusion of women with previously diagnosed breast cancer.
Participant Demographics
Women aged 45-65 from Edinburgh, excluding those with previously diagnosed breast cancer.
Statistical Information
Statistical Significance
p<0.05
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