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Inpatient costs and predictors of costs in the psychosomatic treatment of anorexia nervosa**

Authors

  • Laura Haas MA,

    Corresponding author
    1. Department of Psychosomatic Medicine, Charité Medical School, Berlin, Germany
    2. Charité Center for Internal Medicine and Dermatology, Charité Medical School, Berlin, Germany
    • Charité Center for Internal Medicine and Dermatology, Department for Psychosomatic Medicine, Charité Medical School, Luisenstr. 13a, Berlin 10117, Germany
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  • Tom Stargardt PhD,

    1. Institute for Health Care Management and Health Economics, University of Hamburg, Hamburg, Germany
    2. Institute of Health Economics and Health Care Management, Helmholtz Zentrum Muenchen, Muenchen, Bavaria, Germany
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  • Jonas Schreyoegg PhD,

    1. Institute for Health Care Management and Health Economics, University of Hamburg, Hamburg, Germany
    2. Institute of Health Economics and Health Care Management, Helmholtz Zentrum Muenchen, Muenchen, Bavaria, Germany
    3. Center for Primary Care and Outcomes Research, Stanford University, Stanford, California
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  • Rico Schlösser PhD,

    1. Department of Psychosomatic Medicine, Charité Medical School, Berlin, Germany
    2. Charité Center for Internal Medicine and Dermatology, Charité Medical School, Berlin, Germany
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  • Gerhard Danzer MD, PhD,

    1. Department of Psychosomatic Medicine, Charité Medical School, Berlin, Germany
    2. Charité Center for Internal Medicine and Dermatology, Charité Medical School, Berlin, Germany
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  • Burghard F. Klapp MD, PhD

    1. Department of Psychosomatic Medicine, Charité Medical School, Berlin, Germany
    2. Charité Center for Internal Medicine and Dermatology, Charité Medical School, Berlin, Germany
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  • **

    Supported by Department of Psychosomatic Medicine, Charité Medical School, Berlin, Germany.

Abstract

Objective:

In German inpatient psychosomatics per diem lump sums will be introduced as reimbursement rates by 2013. It was the aim to calculate total inpatient costs per case for the psychosomatic treatment of patients with anorexia nervosa and to identify cost predictors.

Method:

The sample comprised of 127 inpatients. Cost calculation was executed from the hospital's perspective, mainly using microcosting. Medical records provided data on patient characteristics and individual resource use. Two generalized linear models with gamma distribution and log link function were estimated to determine cost predictors by means of demographic data, comorbidities, and body-mass-index at admission.

Results:

Inpatient costs amounted to 4,647 €/6,831 US$ per case (standard deviation 3,714 €/5,460 US$).The admission BMI and “Disorders of Adult Personality and Behavior” were significant cost predictors (p < 0.05).

Discussion:

The formation of patient groups within the diagnosis anorexia nervosa should be oriented towards the determined cost predictors. © 2011 by Wiley Periodicals, Inc. (Int J Eat Disord 2012)

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