Modeling Alzheimer's Disease Screening and Prevention
Author Information
Author(s): Nicolas M. Furiak, Robert W. Klein, Kristin Kahle-Wrobleski, Eric R. Siemers, Eric Sarpong, Timothy M. Klein
Primary Institution: Medical Decision Modeling Inc.
Hypothesis
How can screening and treatment delay the onset of Alzheimer's Disease?
Conclusion
The study suggests that screening can significantly increase the number of Alzheimer's disease-free years and reduce the incidence of the disease.
Supporting Evidence
- Screening can reduce Alzheimer's disease cases by 20 per 1000 individuals screened.
- 61% of the incremental Alzheimer's disease-free years gained were among patients who avoided the disease.
- The number needed to screen to prevent one case of Alzheimer's disease is 51.
Takeaway
This study shows that screening older people for Alzheimer's can help them avoid getting the disease and live healthier for longer.
Methodology
A time-to-event simulation was used to estimate the impact of screening and treatment on Alzheimer's disease onset.
Potential Biases
Potential overestimation of screening test effectiveness due to reliance on existing literature.
Limitations
The model does not account for subpopulations and relies on assumptions about treatment adherence and screening test characteristics.
Participant Demographics
General population aged 55 and older, with a focus on those screened at age 70.
Digital Object Identifier (DOI)
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