Spending Reductions in the Medicare Shared Savings Program: Selection or Savings?

Evidence of patient and physician turnover in accountable care organizations (ACOs) has raised concerns that ACOs may be earning shared-savings bonuses by selecting for lower-risk patients or providers with lower-risk panels. We conducted three sets of analyses to examine risk selection in the

责任医疗组织（accountable care organizations，ACOs）中存在的患者与医师流动现象，引发了相关担忧：ACOs或可通过筛选低风险患者，或是选择拥有低风险签约患者组合的医疗服务提供者，来获取共享节约奖金。为此我们开展了三组分析，以考察……中的风险选择（risk selection）。