The final biomarker risk score correctly identified 80 percent of the individuals with Alzheimer's disease and accurately excluded 91 percent of the individuals without Alzheimer's disease.
When other factors were also considered—age, sex, education and whether an individual had the APOE gene, which is associated with risk for Alzheimer's disease—the score correctly identified 94 percent of the individuals with Alzheimer's disease and accurately classified 84 percent of participants who did not have the disease. |
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