Marc L. Berk (
Zhengyi Fang is a senior programmer and analyst for the Health Policy and Data Analysis Group at Social and Scientific Systems, in Silver Spring, Maryland.
Health Aff (Millwood). 2017 Apr 1;36(4):742-746. doi: 10.1377/hlthaff.2016.1189.
The distribution of health care expenditures remains highly concentrated, but most Americans use few health care resources and have low out-of-pocket spending. More than 93 percent of "low spenders" (those in the bottom half of the population) believe they have received all needed care in a timely manner. The low spending by the majority of the population has remained almost unchanged during the thirty-seven-year period examined.
医疗保健支出的分布仍然高度集中，但大多数美国人使用的医疗资源很少，自付支出也很低。超过 93%的“低支出者”（即人口中处于下半部分的人群）认为他们及时获得了所需的全部医疗服务。在 37 年的研究期间，大多数人口的低支出基本保持不变。
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