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A multilevel modeling approach to analysis of patient costs under managed care.

Carey K. A multilevel modeling approach to analysis of patient costs under managed care. Health economics. 2000 Jul 1; 9(5):435-46.

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The growth of the managed care model of health care delivery in the USA has led to broadened interest in the performance of health care providers. This paper uses multilevel modelling to analyse the effects of managed care penetration on patient level costs for a sample of 24 medical centres operated by the Veterans Health Administration (VHA). The appropriateness of a two level approach to this problem over ordinary least squares (OLS) is demonstrated. Results indicate a modicum of difference in institutions' performance after controlling for patient effects. Facilities more heavily penetrated by the managed care model may be more effective at controlling costs of their sicker patients.Copyright 2000 John Wiley and Sons, Ltd.

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