期刊
EUROPEAN CHILD & ADOLESCENT PSYCHIATRY
卷 30, 期 7, 页码 1081-1094出版社
SPRINGER
DOI: 10.1007/s00787-020-01595-4
关键词
BMI-centile; BMI-SDS; Weight criterion; Early onset anorexia nervosa; Atypical anorexia nervosa
资金
- Projekt DEAL
Both DSM-5 and ICD-11 provide weight criteria and severity specifiers for the diagnosis of anorexia nervosa in different age groups. This study found that BMI at referral increased up to age 15 and then plateaued, with approximately one tenth of AN patients having a BMI above the fifth centile. The validity of severity specifiers based on BMI or BMI-centiles was limited.
Both DSM-5 and ICD-11 have provided weight cut-offs and severity specifiers for the diagnosis of anorexia nervosa (AN) in childhood, adolescence and adulthood. The aims of the current study focusing on inpatients aged < 19 years were to assess (1) the relationship between age and body mass index (BMI; kg/m(2)), BMI-centiles, BMI-standard deviation scores (BMI-SDS) and body height-SDS at referral, (2) the percentages of patients fulfilling the DSM-5 and ICD-11 weight criteria and severity categories for AN, and (3) the validity of the AN severity specifiers via analysis of both weight related data at discharge and inpatient treatment duration. The German Registry for Anorexia Nervosa encompassed complete data sets for 469 female patients (mean age = 15.2 years; range 8.9-18.9 years) with a diagnosis of AN (n = 404) or atypical AN (n = 65), who were ascertained at 16 German child and adolescent psychiatric hospitals. BMI at referral increased up to age 15 to subsequently plateau. Approximately one tenth of all patients with AN had a BMI above the fifth centile. The ICD-11 specifier based on a BMI-centile of 0.3 for childhood and adolescent AN entailed two equally sized groups of patients. Discharge data revealed limited validity of the specifiers. Height-SDS was not correlated with age thus stunting had no impact on our data. We corroborate the evidence to use the tenth instead of the fifth BMI-centile as the weight criterion in children and adolescents. Weight criteria should not entail major diagnostic shifts during the transition from adolescence to adulthood. The severity specifiers based on BMI or BMI-centiles do not seem to have substantial clinical validity.
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