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J Adolesc Health. 2017 Sep;61(3):310-316. doi: 10.1016/j.jadohealth.2017.03.020. Epub 2017 Jun 3.

Effect of Hospitalization on Percent Median Body Mass Index at One Year, in Underweight Youth With Restrictive Eating Disorders.

Author information

1
Division of Adolescent Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California. Electronic address: kapp@stanford.edu.
2
Center for Patient Safety and Quality Research, Boston Children's Hospital, Boston, Massachusetts.
3
Division of Adolescent/Young Adult Medicine, Boston Children's Hospital, Boston, Massachusetts; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts.
4
Division of Adolescent Medicine, Department of Pediatrics, CS Mott Children's Hospital, University of Michigan, Ann Arbor, Michigan; Formerly of Department of Adolescent Pediatrics, Beaumont Children's Hospital, Royal Oak, Michigan.
5
Division of Adolescent Medicine, Steven and Alexandra Cohen Children's Medical Center, Northwell Health, New Hyde Park, New York; Department of Pediatrics, Hofstra-Northwell Health School of Medicine, Hempstead, New York.
6
Division of Adolescent/Young Adult Medicine, Boston Children's Hospital, Boston, Massachusetts.
7
Department of General Pediatrics, Center for Adolescent Medicine, Cleveland Clinic Children's Hospital, Cleveland, Ohio.
8
Section of Adolescent Medicine and Sports Medicine, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas.
9
Division of Adolescent Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California.

Abstract

PURPOSE:

Data from low-weight patients with restrictive eating disorders (EDs) treated in outpatient adolescent medicine-based ED treatment programs were analyzed to determine whether there was an association between hospitalization and gain to at least 90% median body mass index (mBMI) at 1-year follow-up.

METHODS:

Data were retrospectively collected for 322 low-weight (<85% mBMI at intake) patients aged 9-21 years, who presented with restrictive EDs to 14 adolescent medicine-based ED programs in 2010. Positive outcome was defined as being at least 90% mBMI (%mBMI = patient's body mass index/mBMI for age × 100) at 1-year follow-up. Association between treatment at a higher level of care and gain to at least 90% mBMI was analyzed for 140 patients who were <85% mBMI at the time of presentation, had not been previously hospitalized, and had 1-year follow-up data available.

RESULTS:

For patients presenting at <85% mBMI, those who were hospitalized in the year following intake had 4.0 (95% confidence interval: 1.6-10.1) times the odds of gain to at least 90% mBMI, compared with patients who were not hospitalized, when controlling for baseline %mBMI.

CONCLUSION:

In this national cohort of patients with restrictive EDs presenting to adolescent medicine-based ED programs at <85% mBMI, those who were hospitalized had greater odds of being at least 90% mBMI at 1-year follow-up.

KEYWORDS:

Adolescent; Anorexia Nervosa; Body mass index; Eating disorders; Hospitalization; Quality improvement

[Indexed for MEDLINE]

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