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A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis
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Purging disorder: subthreshold variant or full-threshold eating disorder?

Pamela K Keel1

  • 1Department of Psychology, The University of Iowa, Iowa City 52242, USA. pamela-keel@uiowa.edu

The International Journal of Eating Disorders
|September 18, 2007
PubMed
Summary

Purging disorder (PD) is a clinically significant eating disorder comparable in severity to bulimia nervosa (BN). Research suggests PD is distinct from BN and affects 1.1–5.3% of young adult women.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Eating Disorders

Background:

  • A new eating disorder, purging disorder (PD), has been characterized.
  • Understanding its clinical significance, distinctiveness, and prevalence is crucial.

Purpose of the Study:

  • To review existing evidence on the clinical significance of purging disorder (PD).
  • To assess the distinctiveness of PD compared to other eating disorders.
  • To determine the prevalence of PD in the population.

Main Methods:

  • Systematic review of relevant literature.
  • Computerized and manual searches were employed to identify pertinent articles.

Main Results:

  • Purging disorder (PD) demonstrates clinical significance, with severity comparable to bulimia nervosa (BN).
  • Preliminary evidence suggests PD is distinct from BN.
  • Lifetime prevalence rates for PD in young adult women range from 1.1% to 5.3%, similar to AN and BN.

Conclusions:

  • Further research is essential to understand the etiology, treatment, course, and outcomes of PD.
  • Standardizing the definition of PD would greatly facilitate future research efforts.