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The risk of depression, anxiety, and suicidality in patients with psoriasis: a population-based cohort study.

ABSTRACT: To determine the incidence of depression, anxiety, and suicidality in patients with psoriasis compared with the general population.A population-based cohort study using data collected as part of patient's electronic medical record from 1987 to 2002.General Practice Research Database.Analyses included 146 042 patients with mild psoriasis, 3956 patients with severe psoriasis, and 766 950 patients without psoriasis. Five controls without psoriasis were selected from the same practices and similar cohort entry dates as patients with psoriasis.Clinical diagnoses of depression, anxiety, and suicidality among patients.The adjusted hazard ratios (HRs) for receiving a diagnosis of depression, anxiety, and suicidality in patients with psoriasis compared with controls were 1.39 (95% confidence interval [CI], 1.37-1.41), 1.31 (95% CI, 1.29-1.34), and 1.44 (95% CI, 1.32-1.57), respectively. The adjusted HR of depression was higher in severe (HR, 1.72; 95% CI, 1.57-1.88) compared with mild psoriasis (HR, 1.38; 95% CI, 1.35-1.40). Younger patients with psoriasis had elevated HRs of outcomes compared with older patients with psoriasis.Patients with psoriasis have an increased risk of depression, anxiety, and suicidality. We estimate that in the United Kingdom, in excess of 10 400 diagnoses of depression, 7100 diagnoses of anxiety, and 350 diagnoses of suicidality are attributable to psoriasis annually. It is important for clinicians to evaluate patients with psoriasis for these conditions to improve outcomes. Future investigation should determine the mechanisms by which psoriasis is associated with psychiatric outcomes as well as approaches for prevention.

SUBMITTER: Kurd SK

PROVIDER: S-EPMC2928071 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature

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The risk of depression, anxiety, and suicidality in patients with psoriasis: a population-based cohort study.

Kurd Shanu Kohli SK Troxel Andrea B AB Crits-Christoph Paul P Gelfand Joel M JM

Archives of dermatology 20100801 8

<h4>Objective</h4>To determine the incidence of depression, anxiety, and suicidality in patients with psoriasis compared with the general population.<h4>Design</h4>A population-based cohort study using data collected as part of patient's electronic medical record from 1987 to 2002.<h4>Setting</h4>General Practice Research Database.<h4>Patients</h4>Analyses included 146 042 patients with mild psoriasis, 3956 patients with severe psoriasis, and 766 950 patients without psoriasis. Five controls wit ...[more]

PMID: 20713823

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Project description:BackgroundStatins have shown both protective and adverse associations with neuropsychiatric outcomes. We aimed to examine the possible associations between statins and suicidality, depression, anxiety, and seizures.MethodsUsing Swedish national registers, we linked data on dispensed statin prescriptions with data on unplanned (emergency) hospital visits or specialised outpatient care for four neuropsychiatric outcomes: suicidal behaviour (including deaths from suicide), depressive disorders, anxiety disorders, and seizures. We included all individuals in the registries who were dispensed statins and who were aged 15 years or older between Jan 1, 2006, and Dec 31, 2013. We applied a within-individual design using stratified Cox proportional hazards regression to compare the incidence of the defined outcomes during periods on statins and periods off statins within each individual, thus adjusting for time-invariant confounders. Non-specific effects of treatment were tested by investigating these outcomes in relation to thiazide diuretic use and antihistamine use in the same cohort.FindingsThe statin-users cohort comprised 1 149 384 individuals, of whom 1 015 949 (88·4%) were aged 50 years or older, 625 616 (54·4%) were male, and 523 768 (45·6%) were female. The study period consisted of 2 053 310 non-treatment periods and 2 997 545 treatment periods, and 957 216 (83·3%) individuals had a medication status change (from on statins to off statins, or vice versa). Suicide outcomes were found in 6372 (0·6%) individuals, depressive disorders in 23 745 (2·1%), anxiety disorders in 30 100 (2·6%), and seizures in 28 844 (2·5%). There were no clear associations between periods of statin treatment and suicidal behaviour or deaths from suicide (hazard ratio 0·99 [95% CI 0·90-1·08]), anxiety disorders (0·99 [0·95-1·02]), or seizures (1·00 [0·97-1·04]). Statins were associated with reduced hazards of depressive disorders (0·91 [0·87-0·94]), which remained after adjustment for concurrent antidepressant use (0·91 [0·88-0·94]). Hazard ratios for depressive disorders were 0·61 (0·38-1·00; n=14 718) with thiazide diuretic use and 0·84 (0·67-1·06; n=23 715) with antihistamine use.InterpretationStatin use is not associated with suicidality, anxiety disorders, or seizures. Whether the observed association between statin use and reduced diagnoses of clinical depression is confounded by non-specific benefits related to being prescribed medication needs further research.FundingWellcome Trust, Swedish Research Council, National Institute for Health Research (NIHR) Research Professorship, NIHR Oxford Health Biomedical Research Centre, American Foundation for Suicide Prevention, Karolinska Institutet.

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Dataset Information

The risk of depression, anxiety, and suicidality in patients with psoriasis: a population-based cohort study.

Publications

The risk of depression, anxiety, and suicidality in patients with psoriasis: a population-based cohort study.

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