Comparing Methods for Analyzing Cancer Data in Utah
Author Information
Author(s): Wayne Ball, Sam LeFevre, Lars Jarup, Linda Beale
Primary Institution: Utah Department of Health
Hypothesis
How do different methodologies for spatial analysis compare in investigating cancer rates near contaminated groundwater in Utah?
Conclusion
The Rapid Inquiry Facility (RIF) is a user-friendly tool that enhances the analysis of disease rates and interpretation of findings.
Supporting Evidence
- The RIF risk analysis and SIR are mathematically identical.
- Kidney and lung cancer rates were statistically elevated for the potentially exposed population.
- SaTScan identified two clusters of elevated cancer rates.
Takeaway
This study looked at cancer rates in people living near a contaminated area and found that a new tool makes it easier to analyze and understand the data.
Methodology
The study used cancer data from the Utah Cancer Registry and compared the standardized incidence ratio (SIR), SaTScan, and Rapid Inquiry Facility (RIF) methodologies over six 5-year periods.
Potential Biases
Potential confounding factors include behavioral risks and genetic predispositions that were not fully accounted for.
Limitations
The study's reliance on covariates may not fully represent the population characteristics of concern.
Participant Demographics
The study population included approximately 247,500 persons, with demographics similar in age, sex, and race/ethnicity distribution.
Statistical Information
P-Value
p<0.0001
Confidence Interval
95% confidence interval
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website