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. 2014 Feb;6(1):44-52.
doi: 10.4021/jocmr1648w. Epub 2013 Dec 13.

Sleep quality in rheumatoid arthritis: relationship between the disease severity, depression, functional status and the quality of life

Mustafa Akif Sariyildiz  1 , Ibrahim Batmaz  1 , Mehtap Bozkurt  1 , Yasin Bez  2 , Mehmet Guli Cetincakmak  3 , Levent Yazmalar  1 , Demet Ucar  1 , Tahsin Celepkolu  4
Affiliations

Sleep quality in rheumatoid arthritis: relationship between the disease severity, depression, functional status and the quality of life

Mustafa Akif Sariyildiz et al. J Clin Med Res. 2014 Feb.

Abstract

Background: The aim of this study was to evaluate sleep quality and the related variables in patients with rheumatoid arthritis (RA).

Methods: Ninety-four patients diagnosed with RA and fifty two healthy controls were enrolled in the study. Disease activity was assessed through the Disease Activity Score (DAS) 28 scale. All patients were assessed using the Rheumatoid Arthritis Quality of Life and Health Assessment Questionnaire scales, together with the Beck Depression Inventory. Radiological damage was calculated with the modified Larsen method. The Pittsburgh Sleep Quality Index (PSQI) was used for the evaluation of the sleep disturbance.

Results: The patients with RA had significantly higher scores in the subjective sleep quality, sleep latency, habitual sleep efficiency, sleep disturbance domains and the total PSQI score compared to the healthy control group. According to the results of Spearman's analysis, there was a significantly correlation between the age, disease activity, CRP, pain, fatigue, depression, functional disability, quality of life, radiological damage, menopause status, duration of morning stiffness, ESR levels and the sleep disturbance. The logistic regression analysis indicated that depression and DAS 28 scores were predictors for poor sleep quality.

Conclusion: The sleep quality is disturbed in patients with RA. The poor sleep quality is especially associated with the disease activity and depression.

Keywords: Depression; Disease activity; Rheumatoid arthritis; Sleep quality.

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