Which medicare advantage enrollees are at highest one-year mortality risk?
ARCHIVES OF GERONTOLOGY AND GERIATRICS(2024)
Abstract
Background: While a number of tools exist to predict mortality among older adults, less research has described the characteristics of Medicare Advantage (MA) enrollees at higher risk for 1 year mortality. Objectives: To describe the characteristics of MA enrollees at higher mortality risk using patient survey data. Research Design: Retrospective cohort. Subjects: MA enrollees completing the 2019 MA Consumer Assessment of Healthcare Providers and Systems (CAHPS) Survey. Measures: Linked demographic, health, and mortality data from a sample of MA enrollees were used to predict 1year mortality risk and describe enrollee characteristics across levels of predicted mortality risk. Results: The mortality model had a 0.80 c-statistic. Mortality risks were skewed: 6 % of enrollees had a >= 10 % 1year mortality risk, while 45 % of enrollees had 1 % to < 5 % 1-year mortality risk. Among the high-risk (>= 10 %) group, 47 % were age 85+ versus 12 % among those with mortality risk <5 %. 79 % were in fair or poor selfrated health versus 29 % among those with mortality risk of <5 %. 71 % reported needing urgent care in the prior 6 months versus 40 % among those with a mortality risk of 1 to<5 %. Conclusions: Relatively few older adults enrolled in MA are at high 1-year mortality risk. Nonetheless, MA enrollees over age 85, in fair or poor health, or with recent urgent care needs are far more likely to be in a high mortality risk group.
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Key words
Mortality,Medicare,Prediction,Survey
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