Johannes Hebebrand, Jochen Seitz, Manuel Föcker, Hanna Preuss-van Viersen, Michael Huss, Katharina Bühren, Brigitte Dahmen, Katja Becker, Linda Weber, Christoph U Correll, Charlotte Jaite, Karin Egberts, Marcel Romanos, Stefan Ehrlich, Maria Seidel, Veit Roessner, Christian Fleischhaker, Eva Möhler, Freia Hahn, Michael Kaess, Tanja Legenbauer, Daniela Hagmann, Tobias J Renner, Ulrike M E Schulze, Ulf Thiemann, Ida Wessing, Gisela Antony, Beate Herpertz-Dahlmann, Abigail Matthews, Triinu Peters
OBJECTIVE: For adolescents, DSM-5 differentiates anorexia nervosa (AN) and atypical AN with the 5th BMI-centile-for-age. We hypothesized that the diagnostic weight cut-off yields (i) lower weight loss in atypical AN and (ii) discrepant premorbid BMI distributions between the two disorders. Prior studies demonstrate that premorbid BMI predicts admission BMI and weight loss in patients with AN. We explore these relationships in atypical AN. METHOD: Based on admission BMI-centile < or ≥5th, participants included 411 female adolescent inpatients with AN and 49 with atypical AN from our registry study...
March 25, 2024: International Journal of Eating Disorders