Cited by 109Eating Disorders and BehaviorsNutrition, Health and Food BehaviorChild Nutrition and Feeding Issues

A multicenter audit of outpatient care for adult anorexia nervosa: Symptom trajectory, service use, and evidence in support of “early stage” versus “severe and enduring” classification

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Ambwani, Suman, Cardi, Valentina, Albano, Gaia, Cao, Li, Crosby, Ross D., Macdonald, Pamela, Schmidt, Ulrike, Treasure, Janet·2020·International Journal of Eating Disorders

Abstract

Background: We explored the utility of “staging” anorexia nervosa (AN) by duration of illness and psychological wellbeing. We also investigated 12‐month symptom trajectories and service usage in a large cohort of patients with AN assessed for outpatient treatment. Method: We conducted secondary analyses on data from a multisite clinical trial of adults with AN (n = 187) recruited from 22 NHS England specialist eating disorder (ED) services into a digital treatment augmentation study. Clinical outcomes and service use were measured at postintervention (six weeks), 6 and 12 months. We grouped patients into two categories: “early stage” (illness duration <3 years; n = 60) and “severe and enduring” stage (SE‐AN; n = 41) indicated by distress (Depression Anxiety and Stress Scales, DASS ≥60) and illness duration (≥7 years). Results: At 12 months, patients reported large improvements in body mass index, small to moderate improvements in ED symptoms, mood, and work/social adjustment, and 23.6% met criteria for recovery. However, patients classified as SE‐AN reported higher rates of accessing intensive services, higher ED symptomatology, and poorer work/social adjustment at baseline, and lower rates of improvement in work/social adjustment at 12 months compared to “early stage” respondents. Discussion: Although present findings suggest overall symptomatic improvements, exploratory results highlight marked differences in course and service use between people at different stages of AN, suggesting a need to consider staging for clinical decision‐making. Further research differentiating between clinical subtypes of AN and adoption of a more personalized approach may ensure that services and care pathways better fit patient needs.

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Authors
Ambwani, S., Cardi, V., Albano, G., Cao, L., Crosby, R. D., Macdonald, P., Schmidt, U., & Treasure, J.
Affiliations
  • Dickinson College (US)
  • King's College London (GB)
  • University of North Dakota (US)
Corresponding author
Ambwani, Suman
Venue
International Journal of Eating Disorders
Publisher
Wiley
Published
2020-02-17
Volume
53
Issue
8
Pages
1337-1348
ISSN
  • 0276-3478 (ISSN-L)
  • 1098-108X
OpenAlex
W3008429043
Cited by
109
References
63
Citations by year
2026: 7 · 2025: 16 · 2024: 30 · 2023: 12 · 2022: 13 · 2021: 19 · 2020: 12
FWCI
5.60
Type
journal article
Language
en
Open access
Locations
  • International Journal of Eating Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • Nova Science Publishers (Nova Science Publishers, Inc.) (submittedVersion)
  • Research Portal (King's College London) (submittedVersion, other-oa)
  • Padua Research Archive (University of Padova) (submittedVersion, other-oa)
Funders
National Institute for Health Research (PB‐PG‐0712‐28041)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
  • Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
  • Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
Keywords
anorexia nervosa, adult anorexia nervosa, severe and enduring anorexia nervosa, symptom trajectories, service utilization, outpatient care, eating disorder recovery, work and social adjustment, individualized care
MeSH terms
Adult, Ambulatory Care, Anorexia Nervosa, Female, Humans, Male

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