Is the Psychotic Depression Assessment Scale a useful diagnostic tool?

The CRESCEND study

Seon Cheol Park, Joonho Choi, Jae Min Kim, Tae Youn Jun, Min-Soo Lee, Jung Bum Kim, Hyeon Woo Yim, Yong Chon Park

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Background The Psychotic Depression Assessment Scale (PDAS) has been validated as a method of assessing the severity and treatment outcomes of psychotic depression (PD). We aimed to compare the results of the PDAS in PD and non-psychotic depression (non-PD) patients and validate the PDAS as a diagnostic tool for PD. Methods We included 53 patients with PD and 441 with non-PD who participated in the Clinical Research Center for Depression study in South Korea. In addition to the PDAS, psychometric tools including the HAMD 17, HAMA, BPRS, CGI-S, SOFAS, SSI-Beck, WHOQOL-BREF, AUDIT, and FTND were used to assess, respectively, depression, anxiety, overall symptoms, global severity, social functioning, suicidal ideation, quality of life, alcohol use, and nicotine use. Results After adjusting for age and total HAMD17 score, PD patients had higher scores for depressive mood, hallucinations, unusual thought content, suspiciousness, blunted affect, and emotional withdrawal on the PDAS and higher total scores on the SSI-Beck than non-PD patients. Binary logistic regression identified hallucinatory behavior and emotional withdrawal as predictors of PD. Receiver operating characteristic analysis showed that emotional withdrawal could be used to differentiate psychotic from non-psychotic depression. Limitations The inter-rater reliability for psychometric assessments was not evaluated. Conclusions In addition to assessing the severity and treatment outcomes of PD, PDAS can help in the diagnosis of PD.

Original languageEnglish
Pages (from-to)79-85
Number of pages7
JournalJournal of Affective Disorders
Volume166
DOIs
Publication statusPublished - 2014 Jan 1

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Depression
Psychometrics
Suicidal Ideation
Republic of Korea
Hallucinations
Nicotine
ROC Curve
Anxiety
Logistic Models
Alcohols
Quality of Life

Keywords

  • Differential diagnosis
  • Emotional withdrawal
  • Hallucinatory behavior
  • Psychotic depression (PD)
  • Psychotic Depression Assessment Scale (PDAS)

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

Cite this

Park, S. C., Choi, J., Kim, J. M., Jun, T. Y., Lee, M-S., Kim, J. B., ... Park, Y. C. (2014). Is the Psychotic Depression Assessment Scale a useful diagnostic tool? The CRESCEND study. Journal of Affective Disorders, 166, 79-85. https://doi.org/10.1016/j.jad.2014.05.004

Is the Psychotic Depression Assessment Scale a useful diagnostic tool? The CRESCEND study. / Park, Seon Cheol; Choi, Joonho; Kim, Jae Min; Jun, Tae Youn; Lee, Min-Soo; Kim, Jung Bum; Yim, Hyeon Woo; Park, Yong Chon.

In: Journal of Affective Disorders, Vol. 166, 01.01.2014, p. 79-85.

Research output: Contribution to journalArticle

Park, SC, Choi, J, Kim, JM, Jun, TY, Lee, M-S, Kim, JB, Yim, HW & Park, YC 2014, 'Is the Psychotic Depression Assessment Scale a useful diagnostic tool? The CRESCEND study', Journal of Affective Disorders, vol. 166, pp. 79-85. https://doi.org/10.1016/j.jad.2014.05.004
Park, Seon Cheol ; Choi, Joonho ; Kim, Jae Min ; Jun, Tae Youn ; Lee, Min-Soo ; Kim, Jung Bum ; Yim, Hyeon Woo ; Park, Yong Chon. / Is the Psychotic Depression Assessment Scale a useful diagnostic tool? The CRESCEND study. In: Journal of Affective Disorders. 2014 ; Vol. 166. pp. 79-85.
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abstract = "Background The Psychotic Depression Assessment Scale (PDAS) has been validated as a method of assessing the severity and treatment outcomes of psychotic depression (PD). We aimed to compare the results of the PDAS in PD and non-psychotic depression (non-PD) patients and validate the PDAS as a diagnostic tool for PD. Methods We included 53 patients with PD and 441 with non-PD who participated in the Clinical Research Center for Depression study in South Korea. In addition to the PDAS, psychometric tools including the HAMD 17, HAMA, BPRS, CGI-S, SOFAS, SSI-Beck, WHOQOL-BREF, AUDIT, and FTND were used to assess, respectively, depression, anxiety, overall symptoms, global severity, social functioning, suicidal ideation, quality of life, alcohol use, and nicotine use. Results After adjusting for age and total HAMD17 score, PD patients had higher scores for depressive mood, hallucinations, unusual thought content, suspiciousness, blunted affect, and emotional withdrawal on the PDAS and higher total scores on the SSI-Beck than non-PD patients. Binary logistic regression identified hallucinatory behavior and emotional withdrawal as predictors of PD. Receiver operating characteristic analysis showed that emotional withdrawal could be used to differentiate psychotic from non-psychotic depression. Limitations The inter-rater reliability for psychometric assessments was not evaluated. Conclusions In addition to assessing the severity and treatment outcomes of PD, PDAS can help in the diagnosis of PD.",
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