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Cost-of-illness studies and cost-effectiveness analyses in eating disorders: a systematic review

Nina Stuhldreher¹, Alexander Konnopka, Beate Wild

¹Department of Medical Sociology and Health Economics, University Medical Centre Hamburg-Eppendorf, Germany. n.stuhldreher@uke.de

The International Journal of Eating Disorders

|February 2, 2012

Abstract

Objective:

To review cost-of-illness studies (COIs) and cost-effectiveness analyses (CEAs) of eating disorders (EDs) and to describe their methodological quality.

Method:

A systematic literature search was done. Search results passed through a selection process, included studies were classified as COIs, CEAs, or "other cost studies" (OCS). Costs were inflated and converted to 2008 US$ purchasing power parities (PPP). Quality criteria were developed and applied to each study.

Results:

Five COI, two CEA, and eleven "OCS" were reviewed. Most studies focused on anorexia nervosa and bulimia nervosa. Annual costs per patient ranged from 1,288 to 8,042 US$-PPP. All interventions, investigated in CEA, were more effective and less costly than the alternative treatments.

Discussion:

The number of publications investigating costs in EDs has increased recently. However, no COI provided a comprehensive estimate of costs, and the comparability of CEA was limited. Nonetheless, the results indicate that the costs arising from EDs are substantial.

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