Sleep Quality Independently Affects Health-related Quality of Life and Cognitive Function in Korean Female Patients with Rheumatoid Arthritis: a Case-control Study

Journal of Korean Medical Science
Seo Hwa KimSung-Hwan Park

Abstract

This study aimed to address sleep quality in patients with rheumatoid arthritis (RA) and to determine how it affects health-related quality of life (HRQoL) and cognitive function. One hundred and twenty-three patients with RA and 76 healthy controls were enrolled in this study. Sleep quality was assessed using the Korean version of the Pittsburgh Sleep Quality Index (PSQI). Cognitive function and HRQoL was evaluated by a Korean-Montreal Cognitive Assessment (MoCA-K) and 36-item Short-Form Health Survey (SF-36), respectively. Other clinical, demographic, and laboratory data were obtained from retrospective medical chart review. More patients in the RA group reported poor sleep quality (PSQI > 5) than in the control group (61% [75/123] vs. 39.5% [30/76]; P = 0.003). Total PSQI was also significantly higher in the RA group (median [interquartile range], 7 [5-11] vs. 5 [3-6.75]; P = 0.001). Total PSQI score negatively correlated with MoCA-K score (Spearman's rho (r) = -0.223; P = 0.003) with a physical component summary (PCS) of SF-36 (r = -0.221; P = 0.003) and a mental component summary (MCS) of SF-36 (r = -0.341; P < 0.001), which means that poor sleep quality was associated with poor cognitive function and low HRQoL. The findin...Continue Reading

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Citations

Oct 19, 2019·Immunopharmacology and Immunotoxicology·Fernanda Almeida SaidThelma L Skare
Mar 31, 2021·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·S LiM S M Ip

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Methods Mentioned

BETA
ESR

Software Mentioned

SPSS
Power
MoCA

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