ArticleJournal of affective disorders2016
Establishing the cut-off score for remission and severity-ranges on the Psychotic Depression Assessment Scale (PDAS).
Article in Journal of affective disorders, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 16 citations in OpenAlex.
- Comparison of High-Charge Protocol vs. Dose Titration Protocol in Bilateral ECT: Evaluation of Antidepressant Effectiveness and EEG Parameters.Journal of clinical medicine · 2025Article
- Bonding and Infants' Development and Quality of Life: A Study Among Mothers with Severe Mental Illnesses in Remission.Indian journal of psychological medicine · 2023Article
- Diagnostic Issues of Depressive Disorders from Kraepelinian Dualism to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition.Psychiatry investigation · 2019Article
- Clinical Validation of the Psychotic Depression Assessment Scale, Hamilton Depression Rating Scale-6, and Brief Psychiatric Rating Scale-5: Results from the Clinical Research Center for Depression Study.Psychiatry investigation · 2017Article
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Authors and funding
8 authors at 7 institutions in 3 countries.
Funding
Abstract
backgroundThe Psychotic Depression Assessment Scale (PDAS) is a rating scale dedicated to the measurement of severity in psychotic depression (PD). The aim of this study was to establish the PDAS cut-off for remission of PD as well as PDAS score-ranges for mild, moderate, and severe PD. The secondary aim was to test how remission, as defined by the PDAS, would perform as outcome measure when applied to the data from a large randomized controlled trial (RCT) in PD.
methodsThe study was based on data from the Study of Pharmacotherapy in Psychotic Depression (STOP-PD). The cut-off for remission on the PDAS and the severity-ranges for mild, moderate, and severe PD were defined using the Clinical Global Impression - Severity scale (CGI-S) as reference by means of pair-wise receiver operating characteristic (ROC) analyses. Subsequently, it was tested whether remission on the PDAS could separate the effects of Olanzapine+Sertraline vs. Olanzapine+Placebo through an intention-to-treat, mixed-effects logistic regression of the data from STOP-PD.
resultsAccording to the ROC analyses, the ideal cut-off for remission of PD was a PDAS total score <8, while the severity-ranges for mild, moderate and severe PD were 8-15, 16-23, and >23 respectively. When applying the PDAS total score <8 (remission) as outcome on the STOP-PD data, treatment with Olanzapine+Sertraline performed significantly better than Olanzapine+Placebo (p<0.001). LIMITATIONS: The STOP-PD was not designed specifically to answer the research questions of the present study.
conclusionsAccording to this study, a total score <8 on the PDAS corresponds to remission of PD.
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