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Anorexia nervosa: 30-year outcome

Journal article
Authors Sandra Rydberg Dobrescu
Lisa Dinkler
I Carina Gillberg
Maria Råstam
Christopher Gillberg
Elisabet Wentz
Published in British Journal of Psychiatry
ISSN 0007-1250
Publication year 2019
Published at Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
Gillberg Neuropsychiatry Centre
Language en
Links https://doi.org/10.1192/bjp.2019.11...
Keywords Anorexia nervosa, outcome, population based, case–control
Subject categories Child and adolescent psychiatry

Abstract

Little is known about the long-term outcome of anorexia nervosa. Aims To study the 30-year outcome of adolescent-onset anorexia nervosa. Method All 4291 individuals born in 1970 and attending eighth grade in 1985 in Gothenburg, Sweden were screened for anorexia nervosa. A total of 24 individuals (age cohort for anorexia nervosa) were pooled with 27 individuals with anorexia nervosa (identified through community screening) who were born in 1969 and 1971–1974. The 51 individuals with anorexia nervosa and 51 school- and gender-matched controls were followed prospectively and examined at mean ages of 16, 21, 24, 32 and 44. Psychiatric disorders, health-related quality of life and general outcome were assessed. Results At the 30-year follow-up 96% of participants agreed to participate. There was no mortality. Of the participants, 19% had an eating disorder diagnosis (6% anorexia nervosa, 2% binge-eating disorder, 11% other specified feeding or eating disorder); 38% had other psychiatric diagnoses; and 64% had full eating disorder symptom recovery, i.e. free of all eating disorder criteria for 6 consecutive months. During the elapsed 30 years, participants had an eating disorder for 10 years, on average, and 23% did not receive psychiatric treatment. Good outcome was predicted by later age at onset among individuals with adolescent-onset anorexia nervosa and premorbid perfectionism. Conclusions This long-term follow-up study reflects the course of adolescent-onset anorexia nervosa and has shown a favourable outcome regarding mortality and full symptom recovery. However, one in five had a chronic eating disorder.

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