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Prevalence of mental, behavioural or neurodevelopmental disorders according to the International Classification of

Kiana Nafarieh1, Sophia Krüger1, Karl Deutscher1

  • 1Department of Psychiatry and Psychotherapy, Charité Universitätsmedizin, Berlin, Germany.

BMJ Open
|June 17, 2024
PubMed

Insights

The 11th revision of the International Classification of Diseases (ICD-11) will alter prevalence rates for mental, behavioral, and neurodevelopmental disorders. This review synthesizes studies using ICD-11 criteria to guide future research on disorder prevalence.

Area of Science:

  • Psychiatry and Mental Health Research
  • Epidemiology
  • Health Classification Systems

Background:

  • The 11th revision of the International Classification of Diseases (ICD-11) introduces changes impacting prevalence rates of mental, behavioral, and neurodevelopmental disorders.
  • Understanding these shifts is crucial for accurate epidemiological assessments and clinical practice.

Purpose of the Study:

  • To conduct a scoping review summarizing primary studies on the prevalence of mental, behavioral, or neurodevelopmental disorders using ICD-11 criteria.
  • To characterize the methodological approaches in this research area.
  • To identify key diagnoses for future systematic reviews and meta-analyses.

Main Methods:

  • Comprehensive database searches (MEDLINE, Embase, Web of Science, PsycINFO) from 2011 to present.
  • Inclusion of cross-sectional and longitudinal studies reporting prevalence rates based on ICD-11 criteria.
  • Adherence to Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guidelines.

Main Results:

  • The review will outline the methodological characteristics of studies examining ICD-11 based prevalence.
  • It will provide an initial overview of expected prevalence rate ranges for various conditions.
  • Identification of research gaps and areas for future investigation.

Conclusions:

  • This scoping review will offer a foundational understanding of research on ICD-11 prevalence rates for mental, behavioral, and neurodevelopmental disorders.
  • It will inform the design of robust systematic reviews and meta-analyses to accurately estimate disorder magnitudes.
  • The findings will guide researchers and clinicians in interpreting and applying new ICD-11 diagnostic data.
Abstract

Keywords:
EPIDEMIOLOGYMENTAL HEALTHPSYCHIATRYSTATISTICS & RESEARCH METHODSSystematic Review

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