The Association between For-Profit Hospital Ownership and Increased Medicare Spending

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Abstract
The rate of conversion to for-profit ownership of hospitals has recently increased in the United States, with uncertain implications for health care costs. We compared total per capita Medicare spending in areas served by for-profit and not-for-profit hospitals. We used American Hospital Association data to categorize U.S. hospital service areas as for-profit (meaning that all beds in the area were in for-profit hospitals), not-for-profit (all beds were in not-for-profit hospitals), or mixed in 1989, 1992, and 1995. We then used data from the Continuous Medicare History Sample to calculate the 1989, 1992, and 1995 spending rates in each area, adjusting for other characteristics known to influence spending: age, sex, race, region of the United States, percentage of population living in urban areas, Medicare mortality rate, number of hospitals, number of physicians per capita, percentage of beds in hospitals affiliated with medical schools, percentage of beds in hospitals belonging to hospital chains, and percentage of Medicare beneficiaries enrolled in health maintenance organizations.