Early Onset of Breast Cancer in British Black Women
Author Information
Author(s): Bowen R L, Duffy S W, Ryan D A, Hart I R, Jones J L
Primary Institution: Centre for Tumour Biology, Institute of Cancer and CR-UK Clinical Centre, Barts and The London, Queen Mary's School of Medicine and Dentistry
Hypothesis
Do British black women present with breast cancer at a younger age and with distinct disease patterns compared to white women?
Conclusion
British black women present with breast cancer at a significantly younger age and have more aggressive disease characteristics compared to white women.
Supporting Evidence
- Black women presented with a median age of 46 years compared to 67 years for white women.
- 62% of black women had grade 3 tumours compared to 42% of white women.
- Black women were more than twice as likely to die of their disease when diagnosed with tumours of 2 cm or less.
Takeaway
Black women in Britain get breast cancer much earlier than white women, and their cancer tends to be more aggressive.
Methodology
Retrospective review of breast cancer cases from 1994 to 2005, comparing age distributions and clinicopathological features between black and white women.
Potential Biases
Potential biases due to the limited geographical area and the retrospective nature of the study.
Limitations
The study is limited to a single hospital and may not represent the broader population of British black women.
Participant Demographics
102 black women and 191 white British women diagnosed with invasive breast cancer.
Statistical Information
P-Value
0.001
Confidence Interval
95% CI 0.98–8.60
Statistical Significance
p=0.001
Digital Object Identifier (DOI)
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