Death Certificate Rankings in Alzheimer's Disease
Author Information
Author(s): Brown Candace, Pan Yinghao, Miller Maggi, Lohman Matthew
Primary Institution: University of North Carolina Charlotte
Hypothesis
How do death certificate rankings differ among individuals with Alzheimer's disease?
Conclusion
The study found that Alzheimer's disease is often listed as the immediate cause of death, but many cases lack conclusive diagnoses.
Supporting Evidence
- 19.1% of people ages 76-84 and 34.6% of people aged 85 and older have Alzheimer's disease.
- AD was listed as the immediate cause of death among all racial groups, except for Native American/American Indian.
- Survival probabilities drop precipitously in the first few years after diagnosis.
Takeaway
This study looked at how Alzheimer's disease is reported on death certificates and found that many people with the disease don't get a clear diagnosis.
Methodology
The study linked the Alzheimer’s Disease and Related Dementia South Carolina registry with state death certificates and used Cox proportional hazards models to analyze survival probabilities.
Potential Biases
Underreporting of Alzheimer's disease was noted, particularly among Black and Latino individuals.
Limitations
Only 1.4% of cases had a conclusive diagnosis by autopsy, which may affect the accuracy of the findings.
Participant Demographics
94% of participants were diagnosed with Alzheimer's disease at age 61 or older, with varying reporting across racial groups.
Digital Object Identifier (DOI)
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