Prevalence of depression in persons with schizophrenia – A cross-sectional study from a tertiary psychiatric hospital

Reshma Susan Mathew; Indu V Nair

doi:10.30834/KJP.36.1.2023.364

Authors

Reshma Susan Mathew Amala Institute of Medical Sciences, Thrissur, Kerala
Indu V Nair Government Mental Health Centre, Thiruvananathapuram, Kerala

DOI:

https://doi.org/10.30834/KJP.36.1.2023.364

Keywords:

Depression, Schizophrenia, CDSS, PANSS

Abstract

Background: It is important to be aware of depressive symptoms in schizophrenia because of the impact it has on its course and outcome. There are only a few studies that have evaluated depression in schizophrenia in Indian settings and no data is available from Kerala. The objective of this study was to find the prevalence and associated factors of depression in persons with schizophrenia. Methods: This was a cross-sectional study in which 225 patients with a diagnosis of schizophrenia according to DSM-5 who availed outpatient or inpatient services from a tertiary psychiatric hospital were included. Socio-demographic data were collected using a structured proforma. The symptom domains of schizophrenia were assessed using the Positive and Negative Syndrome Scale (PANSS). Depression was measured using the Calgary Depression Scale for Schizophrenia (CDSS). A cut-off score of ?6 on the CDSS was used to identify clinically significant depressive symptoms. Results: This study found the prevalence of depression in schizophrenia to be 30% (95 % CI - 29.94, 30.06). Higher education, being married, greater insight, a past history of suicide attempt, positive symptoms and general psychopathology symptoms were found to be associated with depression in schizophrenia. A positive correlation between PANSS positive subscale and CDSS scores was identified. Conclusions: Depression was seen in almost one-third of the patients with schizophrenia. Screening and management of depressive symptoms can help in improving the quality of care provided to patients with schizophrenia.

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