Low weight gain at the start of a family-based intervention for adolescent girls with restrictive eating disorders predicted emergency hospital admission

• Aim: This study examined predictors of emergency hospitalisation of adolescent girls with restrictive eating disorders and weight loss treated by a family-based intervention programme.Methods: We studied 339 girls aged 10-17 years treated in a specialist unit at Uppsala University Children's Hospital, Sweden, from August 2010 to December 2015. Historical weight data were obtained from school health services, and other weight data were determined at presentation. Weight controlling behaviour was recorded, and patients were evaluated using the Eating Disorder Examination Questionnaire. A family-based intervention started after assessment and the early weight gain after one week, one month and three months was assessed.Results: There were 17 emergency admissions of 15 patients for refusing food, progressive weight loss and medical instability. Logistic regression analysis showed that emergency admissions were predicted by a low body mass index standard deviation score at presentation (odds ratio 2.57), a high rate of weight loss before presentation (odds ratio 4.38) and a low rate of weight gain at the start of treatment (odds ratio 4.59).Conclusion: Poor weight gain at the start of a family-based intervention for adolescent girls with restrictive eating disorders predicted emergency hospital admission.

Nyckelord

Adolescent

Anorexia nervosa

Eating disorder

Emergency hospitalisation

Family-based intervention

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