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The aim of our study was to investigate similarities and differences of networks in adolescents and adults with anorexia nervosa (AN) or bulimia nervosa (BN).<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Participants were 2,535 patients (<jats:italic>n<\/jats:italic>\u00a0=\u00a0991 adults with AN,<jats:italic>n<\/jats:italic>\u00a0=\u00a0821 adolescents with AN,<jats:italic>n<\/jats:italic>\u00a0=\u00a0473 adults with BN, and<jats:italic>n<\/jats:italic>\u00a0=\u00a0250 adolescents with BN) who completed the Eating Disorder Inventory\u20102. Twenty\u2010seven items were selected. Cross\u2010sectional networks were estimated via Joint Graphical Lasso. Core symptoms were identified using strength centrality. Spearman correlations and network comparison tests (NCTs) were used to compare groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Across diagnoses and ages, feeling ineffective, desire to be thinner, worries that feelings will get out of control, guilt after overeating as well as doing things perfectly emerged as most central symptoms. There were moderate to high correlations between symptom profiles (0.62\u20130.97, mean: 0.78) as well as high correlations between network structures (0.83\u20130.93, mean: 0.87) and network strengths (0.73\u20130.95, mean: 0.85). Global strength significantly differed in two of the six NCTs, and 2.5\u201310% of edges differed between networks.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>Considerable similarities in network structures and strengths across diagnoses and ages speak in favor of the transdiagnostic approach to EDs. Besides drive for thinness, ineffectiveness, emotion regulation difficulties, and perfectionism might be the most consistent factors in ED networks. These symptoms as well as their symptom connections should be especially focused in treatment regardless of age and diagnosis.<\/jats:p><\/jats:sec>","DOI":"10.1002\/eat.23523","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T13:57:02Z","timestamp":1620223022000},"page":"1463-1476","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Using network analysis to compare diagnosis\u2010specific and age\u2010specific symptom networks in eating disorders"],"prefix":"10.1002","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1791-7379","authenticated-orcid":false,"given":"Sandra","family":"Schlegl","sequence":"first","affiliation":[{"name":"Department of Psychiatry and Psychotherapy University Hospital of Munich (LMU) Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6555-0060","authenticated-orcid":false,"given":"Kathryn E.","family":"Smith","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Behavioral Science University of Southern California Los Angeles California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Larissa","family":"Vierl","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Psychotherapy University Hospital of Munich (LMU) Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ross D.","family":"Crosby","sequence":"additional","affiliation":[{"name":"Sanford Center for Biobehavioral Research Fargo North Dakota USA"},{"name":"Department of Psychiatry and Behavioral Science University of North Dakota School of Medicine and Health Sciences Fargo North Dakota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1215-1055","authenticated-orcid":false,"given":"Markus","family":"Moessner","sequence":"additional","affiliation":[{"name":"Center for Psychotherapy Research University Hospital Heidelberg Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christina","family":"Neumayr","sequence":"additional","affiliation":[{"name":"Schoen Clinic Roseneck Prien Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0261-3145","authenticated-orcid":false,"given":"Ulrich","family":"Voderholzer","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Psychotherapy University Hospital of Munich (LMU) Munich Germany"},{"name":"Schoen Clinic Roseneck Prien Germany"},{"name":"Department of Psychiatry and Psychotherapy University Hospital of Freiburg Freiburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,5,5]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"Practice guideline for the treatment of patients with eating disorders","author":"APA","year":"2006"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0400087101"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/wps.20375"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev-clinpsy-050212-185608"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1159\/000453583"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10862-020-09827-2"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1037\/abn0000516"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006842-196203000-00009"},{"key":"e_1_2_8_10_1","volume-title":"Eating disorders: Obesity, anorexia nervosa, and the person within","author":"Bruch H.","year":"1973"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.23270"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.3390\/brainsci9100276"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.3389\/fpsyg.2019.02448"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1037\/abn0000477"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1017\/s0033291719003817"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1159\/000497425"},{"key":"e_1_2_8_17_1","unstructured":"Costantini G. 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