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The third and fourth classes (<jats:italic>middle, stable<\/jats:italic> and <jats:italic>low, stable<\/jats:italic>) had an initial BMI of 16.44 and 15.31, respectively, and neither gained weight over the first 13 sessions. Compared to the other three classes, the <jats:italic>higher, rapid<\/jats:italic> class (<jats:italic>N<\/jats:italic> = 19, 16%) showed a significantly greater BMI increase over the first 13 sessions of therapy and a significantly higher rate of remission at end of treatment and 12\u2010month follow\u2010up (18\u201322\u2009months post\u2010randomisation).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The group with the greatest early weight gain had significantly higher levels of remission. Higher BMI at baseline without substantial early weight gain was insufficient to produce higher levels of remission than those with lower weight at baseline.<\/jats:p><\/jats:sec>","DOI":"10.1002\/erv.2775","type":"journal-article","created":{"date-parts":[[2020,8,25]],"date-time":"2020-08-25T06:03:32Z","timestamp":1598335412000},"page":"472-481","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Outpatient therapy for adult anorexia nervosa: Early weight gain trajectories and outcome"],"prefix":"10.1002","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4402-770X","authenticated-orcid":false,"given":"Tracey D.","family":"Wade","sequence":"first","affiliation":[{"name":"School of Psychology Flinders University  Adelaide South Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karina","family":"Allen","sequence":"additional","affiliation":[{"name":"Eating Disorders Service, South London and Maudsley NHS Foundation Trust; Department of Psychological Medicine Kings College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ross D.","family":"Crosby","sequence":"additional","affiliation":[{"name":"Sanford Center for Biobehavioral Research and the 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"}]},{"given":"Anthea","family":"Fursland","sequence":"additional","affiliation":[{"name":"Centre for Clinical Interventions  Perth Western Australia Australia"},{"name":"Western Australia Eating Disorders Outreach &amp; Consultation Service  Perth Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Phillipa","family":"Hay","sequence":"additional","affiliation":[{"name":"School of Medicine &amp; Centre for Health Research Western Sydney University  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Virginia","family":"McIntosh","sequence":"additional","affiliation":[{"name":"Department of Psychological Medicine University of Otago  Christchurch New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen","family":"Touyz","sequence":"additional","affiliation":[{"name":"School of Psychology Sydney University  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1335-1937","authenticated-orcid":false,"given":"Ulrike","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Department of Psychological Medicine Kings College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0871-4596","authenticated-orcid":false,"given":"Janet","family":"Treasure","sequence":"additional","affiliation":[{"name":"Department of Psychological Medicine Kings College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan","family":"Byrne","sequence":"additional","affiliation":[{"name":"Eating Disorders Service, South London and Maudsley NHS Foundation Trust; Department of Psychological Medicine Kings College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,8,24]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"Diagnostic and statistical manual of mental disorders: DSM\u2010IV\u2010TR\u00ae","author":"American Psychiatric Association","year":"2000"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.22455"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.brat.2009.11.001"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1521\/jscp.2010.29.7.821"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.22922"},{"key":"e_1_2_8_7_1","volume-title":"Cognitive behavior therapy and eating disorders","author":"Bohn K.","year":"2008"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0033291717001349"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0033291716002543"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/erv.463"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/1097-4679(198805)44:3<392::AID-JCLP2270440313>3.0.CO;2-3"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2018-021531"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.161.3.344"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.20764"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.4088\/JCP.15m10393"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1352465814000629"},{"key":"e_1_2_8_17_1","volume-title":"Cognitive behavior therapy and eating disorders","author":"Fairburn C. 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