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Our objective was to conduct cost\u2010offset analyses for evidence\u2010based treatment of eating disorders using outcome data from a psychotherapy trial involving cognitive behavioral therapy (CBT) and focal psychodynamic therapy (FPT) for AN and a trial involving CBT for BN. Assuming a currently running, ideal healthcare system using a 12\u2010month, prevalence\u2010based approach and varying the willingness to participate in treatment, we investigated whether the potential financial benefits of AN\u2010 and BN\u2010related treatment outweigh the therapy costs at the population level. We elaborated on a formula that allows calculating cost\u2010benefit relationships whereby the calculation of the parameters is based on estimates from data of health institutions within the German healthcare system. Additional intangible benefits were calculated with the aid of Quality\u2010Adjusted Life Years. The annual costs of an untreated eating disorder were 2.38 billion EUR for AN and 617.69 million EUR for BN. Independent of the willingness to participate in treatment, the cost\u2010benefit relationships for the treatment remained constant at 2.51 (CBT) and 2.33 (FPT) for AN and 4.05 (CBT) for BN. This consistency implies that for each EUR invested in the treatment, between 2.33 and 4.05 EUR could be saved each year. Our findings suggest that the implementation of evidence\u2010based psychotherapy treatments for AN and BN may achieve substantial cost savings at the population level.<\/jats:p>","DOI":"10.1002\/eat.22686","type":"journal-article","created":{"date-parts":[[2017,2,2]],"date-time":"2017-02-02T16:01:42Z","timestamp":1486051302000},"page":"239-249","source":"Crossref","is-referenced-by-count":22,"title":["Population\u2010based cost\u2010offset analyses for disorder\u2010specific treatment of anorexia nervosa and bulimia nervosa in Germany"],"prefix":"10.1002","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7373-9357","authenticated-orcid":false,"given":"Katharina","family":"Bode","sequence":"first","affiliation":[{"name":"Technical University of Brunswick, Department of Psychology Humboldtstra\u00dfe 33 Brunswick 38106 Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nina Maria","family":"G\u00f6tz von Olenhusen","sequence":"additional","affiliation":[{"name":"Technical University of Brunswick, Department of Psychology Humboldtstra\u00dfe 33 Brunswick 38106 Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eva\u2010Maria","family":"Wunsch","sequence":"additional","affiliation":[{"name":"Technical University of Brunswick, Department of Psychology Humboldtstra\u00dfe 33 Brunswick 38106 Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S\u00f6ren","family":"Kliem","sequence":"additional","affiliation":[{"name":"Criminological Research Institute of Lower Saxony L\u00fctzerodestra\u00dfe 9, Hannover 30161 Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph","family":"Kr\u00f6ger","sequence":"additional","affiliation":[{"name":"Technical University of Brunswick, Department of Psychology Humboldtstra\u00dfe 33 Brunswick 38106 Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,2,2]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.socscimed.2015.11.055"},{"key":"e_1_2_8_3_1","unstructured":"Allgemeine Ortskrankenkassen [AOK] (DE). (2015). Zahlen und Fakten 2015 [Internet]. Berlin: AOK\u2010Bundesverband [cited 2016 Jun 23]. Available fromhttp:\/\/aok-bv.de\/imperia\/md\/aokbv\/aok\/zahlen\/zuf_2015_web.pdf"},{"key":"e_1_2_8_4_1","unstructured":"American Psychiatric Association [APA] (USA). (2006). Practice guideline for the treatment of patients with eating disorders [Internet]. Arlington VA: American Psychiatric Association [cited 2016 Aug 16]. Available from:http:\/\/psychiatryonline.org"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-1331.2005.01202.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1001\/archgenpsychiatry.2011.74"},{"key":"e_1_2_8_7_1","unstructured":"Bundespsychotherapeutenkammer [BPtK] (DE). (2014). BPtK\u2010Studie zur Arbeits\u2010 und Erwerbsunf\u00e4higkeit \u2010 Psychische Erkrankungen und gesundheitsbedingte Fr\u00fchverrentung [Internet]. Berlin: Bundespsychotherapeutenkammer [cited 2016 Jun 23]. 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