Geographic Influence on Breast Cancer Survival
Author Information
Author(s): Woods L M, Rachet B, Coleman M P
Primary Institution: London School of Hygiene and Tropical Medicine
Hypothesis
The choice of geographic unit influences socioeconomic inequalities in breast cancer survival.
Conclusion
The study found that the geographic area used to assign deprivation indices significantly affects breast cancer survival rates.
Supporting Evidence
- The deprivation gap in survival was smaller when estimated with larger geographic units.
- Different deprivation indices showed similar survival gaps for the same geographic unit.
- The study highlights the importance of geographic context in understanding cancer survival disparities.
Takeaway
Where you live can change how well you do after being diagnosed with breast cancer. Bigger areas can make it look like people are doing better than they really are.
Methodology
The study analyzed breast cancer survival rates using different deprivation indices across various geographic units in England.
Potential Biases
The use of area-based deprivation measures may introduce ecological bias.
Limitations
The study only examined breast cancer survival among women and may not apply to other diseases or populations.
Participant Demographics
Women aged 15 or over diagnosed with malignant breast cancer in England from 1991 to 1999.
Statistical Information
Confidence Interval
95%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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