Comparing Medicare Advantage And Traditional Medicare: A Systematic Review

Abstract

Medicare Advantage enrollment has almost doubled since 2010 and now accounts for more than a third of all Medicare beneficiaries. We performed a systematic review to compare Medicare Advantage and traditional Medicare on key metrics. Evidence from forty-eight studies showed that in most or all comparisons, Medicare Advantage was associated with more preventive care visits, fewer hospital admissions and emergency department visits, shorter hospital and skilled nursing facility lengths-of-stay, and lower health care spending. Medicare Advantage outperformed traditional Medicare in most studies comparing quality-of-care metrics. However, the evidence...

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