Indian Journal of Psychological Medicine
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Year : 2015  |  Volume : 37  |  Issue : 4  |  Page : 434-440

A cross-sectional study of prevalence and implications of depression and anxiety in psoriasis

1 Department of Psychiatry, Mahatma Gandhi Medical College and Research Institute, Puducherry, India
2 Department of Dermatology, Mahatma Gandhi Medical College and Research Institute, Puducherry, India

Correspondence Address:
Sivaprakash Balasundaram
Department of Psychiatry, Mahatma Gandhi Medical College and Research Institute, Pillaiyarkuppam, Puducherry - 607 402
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0253-7176.168587

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Background: Physical and mental comorbidity is common and has significant implications for overall health outcomes. Psoriasis, a psychocutaneous disorder, is a classic example of mental-physical comorbidity. Aims: In view of the impact of socio-cultural influences on mind-body interactions and the paucity of Indian research pertaining to psychiatric morbidity in psoriatic patients, this study was undertaken to measure the prevalence of anxiety and depression in patients with psoriasis, and to correlate these with severity of psoriasis and quality of life. Materials and Methods: This cross-sectional study was conducted on 90 consecutive patients of psoriasis, over a period of 12 months, in a tertiary care centre. The Psoriasis Area and Severity Index was used to assess severity of psoriasis. PHQ-9, GAD-7 and the Perceived Stress Scale were used to screen for depression, anxiety and perceived stress respectively. The WHOQOL-BREF was used to determine the quality of life. Statistics Analysis: All analysis was performed using Microsoft Excel software and Statistical Package for Social Sciences. Results: A total of 71 (78.9%) subjects had depression and 69 (76.7%) had anxiety. Fifty one patients had significant stress. A significant positive correlation was established between psoriasis variables (severity and duration of psoriasis) and psychological variables (depression, anxiety and stress). Severity of psoriasis had a significant negative correlation with social relationships and environmental domains of WHOQOL. Quality of life was significantly worse in patients with psoriasis with comorbid anxiety/depression. Conclusion: Patients with psoriasis have a clinically significant prevalence of depression, anxiety and perceived stress. This study highlights the complex relationship between psoriasis, psychiatric comorbidity and quality of life and the need to simultaneously consider dermatological and psychological factors.

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