The International journal of eating disorders · 2015
Early weight gain in family-based treatment predicts greater weight gain and remission at the end of treatment and remission at 12-month follow-up in adolescent anorexia nervosa.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Madden Sloane, Miskovic-Wheatley Jane, Wallis Andrew, Kohn Michael, Hay Phillipa, Touyz Stephen
Аннотация
OBJECTIVE: To Identify whether early weight gain in family-based treatment (FBT) predicted greater weight and remission at end of FBT and 12-month follow-up.
METHOD: Eighty-two adolescents, with anorexia nervosa, participated in a randomized control trial comparing brief hospitalization for medical stabilization and hospitalization for weight restoration to 90% expected body weight (EBW) (1:1), followed by 20 sessions of FBT. Sixty-nine completed trial protocol. Receiver operating characteristic analyses were conducted investigating whether early weight-gain in FBT predicted outcomes at end of FBT and 12-month follow-up. Participants were analyzed according to their original randomization and as a combined set. Binary logistic regression was used to control for randomization arm effect in combined set analysis.
RESULTS: Weight gain greater than 1.8 kg at FBT Session 4 predicted greater %EBW (99.18 SD = 6.93 vs. 92.79 SD = 7.74, p < .05) and remission at end of FBT (46% vs. 11%, p < .05) and at 12-month follow-up (64% vs. 36%, p = .05). Binary logistic regression confirmed weight gain greater than 1.8 kg predicted remission (p < .05) while treatment arm randomization did not add significantly to the model.
DISCUSSION: Early weight gain has potential to distinguish likely responders in FBT from those who may need more intensive intervention to achieve remission offering the potential to improve outcomes.
METHOD: Eighty-two adolescents, with anorexia nervosa, participated in a randomized control trial comparing brief hospitalization for medical stabilization and hospitalization for weight restoration to 90% expected body weight (EBW) (1:1), followed by 20 sessions of FBT. Sixty-nine completed trial protocol. Receiver operating characteristic analyses were conducted investigating whether early weight-gain in FBT predicted outcomes at end of FBT and 12-month follow-up. Participants were analyzed according to their original randomization and as a combined set. Binary logistic regression was used to control for randomization arm effect in combined set analysis.
RESULTS: Weight gain greater than 1.8 kg at FBT Session 4 predicted greater %EBW (99.18 SD = 6.93 vs. 92.79 SD = 7.74, p < .05) and remission at end of FBT (46% vs. 11%, p < .05) and at 12-month follow-up (64% vs. 36%, p = .05). Binary logistic regression confirmed weight gain greater than 1.8 kg predicted remission (p < .05) while treatment arm randomization did not add significantly to the model.
DISCUSSION: Early weight gain has potential to distinguish likely responders in FBT from those who may need more intensive intervention to achieve remission offering the potential to improve outcomes.