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Prevalence of depression and anxiety in patients with chronic non-malignant pain–A Danish register-linkage cohort study

Published online by Cambridge University Press:  23 March 2020

S. Søndergård ,
H.B. Vægter ,
A. Erlangsen  and
E. Stenager
S. Søndergård
Affiliation:
Institute for regional health services, university of Southern Denmark, research unit in mental health, Aabenraa, Denmark
H.B. Vægter
Affiliation:
Pain Centre South-Odense university hospital, pain research group, Odense, Denmark Faculty of health science, university of Southern Denmark, department of clinical research, Odense, Denmark
A. Erlangsen
Affiliation:
Institute for regional health services, university of Southern Denmark, research unit in mental health, Aabenraa, Denmark Danish research institute for suicide prevention, mental health centre Copenhagen, Copenhagen, Denmark
E. Stenager
Affiliation:
Institute for regional health services, university of Southern Denmark, research unit in mental health, Aabenraa, Denmark

Abstract

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Introduction

Anxiety and depression disorders are common in patients with chronic pain. Studies using clinical interviews in patients with chronic pain report prevalence rates ranging between 30–54% for depression and 17–29% for anxiety. This is the first study using contacts with a hospital psychiatric ward to investigate prevalence of depression and anxiety in patients with chronic pain.

Objectives

Estimate the prevalence of anxiety and depression in patients with chronic pain referred for interdisciplinary treatment.

Aims

To increase the knowledge about mental disorders and chronic pain in secondary health care.

Methods

All chronic pain patients referred to and treated at an interdisciplinary pain clinic at Odense university hospital, Denmark from 1 Jan 2005–13 Nov 2015 were included as participants. The Danish National Patient Register was used to collect information on contacts with a hospital psychiatric ward 10-year prior to the first contact at the pain clinic due to depression (ICD-10: F32-F33) and/or anxiety (ICD-10: F40-F41).

Results

In total, 7204 patients (64% women; mean age: 48.2) were included. Altogether, 17.8% (95% CI: 16.9–18.7) of patients had contact to a psychiatric ward. The prevalence of unipolar depression were: 6.1% (95% CI: 5.5–6.6) and anxiety: 2.1% (95% CI: 1.8–2.5), while 0.7% (95% CI: 0.5–0.9) had both depression and anxiety.

Conclusions

The prevalence rates of depression and anxiety noted in this study were lower than those reported in previous studies. A hospital-based diagnosis seems likely to be less frequent than interview-based measures, yet, might have a higher validity due to the clinician-based assessment.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
e-Poster Walk: Comorbidity/Dual pathologies and guidelines/Guidance - Part 2
Information
European Psychiatry , Volume 41 , Issue S1: Abstract of the 25th European Congress of Psychiatry , April 2017 , pp. S313
Copyright
Copyright © European Psychiatric Association 2017
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