A Korean validation study of the Clinically Useful Anxiety Outcome Scale: Comorbidity and differentiation of anxiety and depressive disorders

Sang Won Jeon, Changsu Han, Young-Hoon Ko, Seoyoung Yoon, Chi Un Pae, Joonho Choi, Jae Min Kim, Ho-Kyoung Yoon, Hoseon Lee, Ashwin A. Patkar, Mark Zimmerman

Research output: Contribution to journalArticle

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Abstract

Background: This study aimed to evaluate the psychometric properties of the Korean version of the Clinically Useful Anxiety Outcome Scale (CUXOS) and to examine the current diagnostic comorbidity and differential severity of anxiety symptoms between major depressive disorder (MDD) and anxiety disorders. Methodology: In total, 838 psychiatric outpatients were analyzed at their intake appointment. Diagnostic characteristics were examined using the structured clinical interview from the DSM-IV because the DSM5 was not available at the start of the study. The CUXOS score was measured and compared with that of 3 clinician rating scales and 4 self-report scales. Principal findings: The CUXOS showed excellent results for internal consistency (Cronbach's α = 0.90), test-retest reliability (r = 0.74), and discriminant and convergent validity. The CUXOS significantly discriminated between different levels of anxiety severity, and the measure was sensitive to change after treatment. Approximately 45% of patients with MDD were additionally diagnosed with anxiety disorders while 55% of patients with anxiety disorders additionally reported an MDD. There was a significant difference in CUXOS scores between diagnostic categories (MDD only, anxiety only, both disorders, and no MDD or anxiety disorder). The CUXOS scores differed significantly between all categories of depression (major, minor, and non-depression) except for the comparison between minor depression and non-depression groups. Conclusions: The Korean version of the CUXOS is a reliable and valid measure of the severity of anxiety symptoms. The use of the CUXOS could broaden the understanding of coexisting and differentiating characteristics of anxiety and depression.

Original languageEnglish
Article numbere0179247
JournalPLoS One
Volume12
Issue number6
DOIs
Publication statusPublished - 2017 Jun 1

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Validation Studies
anxiety
Depressive Disorder
Anxiety Disorders
Comorbidity
Anxiety
Major Depressive Disorder
Depression
comorbidity
Psychiatry
signs and symptoms (animals and humans)
Psychometrics
Reproducibility of Results
Diagnostic and Statistical Manual of Mental Disorders
rating scales
Self Report
Appointments and Schedules
Outpatients

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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A Korean validation study of the Clinically Useful Anxiety Outcome Scale : Comorbidity and differentiation of anxiety and depressive disorders. / Jeon, Sang Won; Han, Changsu; Ko, Young-Hoon; Yoon, Seoyoung; Pae, Chi Un; Choi, Joonho; Kim, Jae Min; Yoon, Ho-Kyoung; Lee, Hoseon; Patkar, Ashwin A.; Zimmerman, Mark.

In: PLoS One, Vol. 12, No. 6, e0179247, 01.06.2017.

Research output: Contribution to journalArticle

Jeon, Sang Won ; Han, Changsu ; Ko, Young-Hoon ; Yoon, Seoyoung ; Pae, Chi Un ; Choi, Joonho ; Kim, Jae Min ; Yoon, Ho-Kyoung ; Lee, Hoseon ; Patkar, Ashwin A. ; Zimmerman, Mark. / A Korean validation study of the Clinically Useful Anxiety Outcome Scale : Comorbidity and differentiation of anxiety and depressive disorders. In: PLoS One. 2017 ; Vol. 12, No. 6.
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AU - Yoon, Seoyoung

AU - Pae, Chi Un

AU - Choi, Joonho

AU - Kim, Jae Min

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AU - Patkar, Ashwin A.

AU - Zimmerman, Mark

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