Comparison of Mortality Between Medicare Advantage and Traditional Medicare Beneficiaries With Kidney Failure

AJMC April 7, 2022
Daeho Kim, PhD, Yoojin Lee, MS, MPH, Shailender Swaminathan, PhD, Rajnish Mehrotra, MD, MS, Maricruz Rivera-Hernandez, PhD, Rebecca Thorsness, PhD, Kevin H. Nguyen, PhD, Amal N. Trivedi, MD, MPH

The risk-adjusted 1-year mortality rate was not different between Medicare Advantage and traditional Medicare beneficiaries with kidney failure who initiated dialysis.

ABSTRACT

Objectives: To compare risk-adjusted 1-year mortality between Medicare Advantage (MA) and traditional Medicare (TM) enrollees with kidney failure who initiated dialysis.

Study Design: Longitudinal analysis of mortality and enrollment data for Medicare beneficiaries.

Methods: The study compared mortality between MA and TM enrollees with kidney failure who initiated dialysis in 2016, accounting for their enrollment switches between MA and TM during 12 months prior to dialysis initiation. Analyses were adjusted for risk scores and fixed effects for the month of dialysis initiation and county of residence.

Results: The difference in risk-adjusted 1-year mortality between MA stayers (Medicare beneficiaries...

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