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Which medicare advantage enrollees are at highest one-year mortality risk?

Ernecoff NC, Anhang Price R, Klein DJ, Haviland AM, Saliba D, Orr N, Gildner J, Gaillot S, Elliott MN. Which medicare advantage enrollees are at highest one-year mortality risk? Archives of Gerontology and Geriatrics. 2024 Apr 22; 124:105454.

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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 1-year 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 % 1-year 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 self-rated 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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