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Patterns of the Diagnosis Prevalence of Psychiatric Disorders in the Population Aged 0–18 Years Based on the Nationwide Insurance Sample Data
J Korean Acad Child Adolesc Psychiatry
Published online August 14, 2020
© 2020 Korean Academy of Child and Adolescent Psychiatry.

Seung Yup Lee1 and Geon Ho Bahn2

1Happy Medical Clinic, Osan, Korea
2Department of Psychiatry, Kyung Hee University School of Medicine, Seoul, Korea
Correspondence to: Geon Ho Bahn, Department of Psychiatry, Kyung Hee University School of Medicine, 23 Kyungheedae-ro, Dongdaemoon-gu, Seoul 02447, Korea
Tel: +82-2-858-8556, Fax: +82-2-957-1997, E-mail: mompeian@khu.ac.kr
Received April 13, 2020; Revised June 26, 2020; Accepted July 7, 2020.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Objectives: This study aimed to examine the trend in diagnostic prevalence of psychiatric disorders in children and adolescents.
Methods: Individuals aged 0–18 years were included in the study based on the National Health Insurance Claims Data. To investigate the trends in diagnosis and diagnostic prevalence of psychiatric disorders reflecting the decrease in the birth rate, data were analyzed from 2010 as a reference year to 2015.
Results: The number of patients diagnosed with psychiatric disorder decreased annually, from 23,412 on 2010 to 18,821 on 2015. The most common disorder was hyperkinetic disorder in male and depressive episode in female. Although there was no significant change in overall diagnostic prevalence rate of psychiatric disorders, age groups < 10 years and some disorders had significant changes in prevalence rate. This study classified the diagnostic prevalence by age into two unique patterns: group in which the diagnosis rate increases with age and group in which the diagnosis rate peaks at a certain age and then decreases.
Conclusion: Diagnostic prevalence of psychiatric disorders was different according to age and sex. These patterns should be reflected in the formulation of policies related to mental health and in medical practice for pediatric patients. It is urgent to identify how these patterns change in young adults.
Keywords : Psychiatric disorder; Diagnosis prevalence; Adolescents; Childhood; Pattern; Trend.


July 2020, 31 (3)
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Author ORCID Information

Funding Information
  • Korea Mental Health R & D Project, Republic of Korea
     
      No. HM15C1084
  • Ministry of Health & Welfare, Republic of Korea
      10.13039/501100003625
      No. HI12C0021/A120029