Ninety patients with severe anorexia nervosa fulfilling DSM-III-R criteria were assessed in depth in terms of their family developmental psychopathology and then randomly allocated to either one of three treatment groups or to no treatment. In three treatment regimes, a behavioural approach to diet and weight gain was coupled with individual and family psychotherapy directed at the adolescent maturational problems. All three treatment regimes were highly significantly effective at one year in terms of weight gain, return of menstruation, and aspects of social and sexual adjustment. Body weights above those at pubertal onset were achieved for the group mean maximum and one-year follow-up weights for all three treatment groups but not the control group.
Multiple diagnosis of PD is better construed as 'breadth' of psychopathology rather than comorbidity and is a function of sampling frame. High rates of multiple diagnoses question the interpretation of studies of any single PD. The graded construct of 'breadth' of axis-II pathology may further our understanding of PD.
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