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Severity of fatigue in people with rheumatoid arthritis, psoriatic arthritis and spondyloarthritis – Results of a cross-sectional study

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  • Trine Pilgaard
  • Lise Hagelund
  • Sandra Elkjær Stallknecht
  • Henrik Holm Jensen
  • Bente Appel Esbensen

Abstract

Background: Despite improvements in treatment for rheumatoid arthritis (RA), psoriatic arthritis (PsA) and spondyloarthritis (axSpA), several key unmet needs remain, such as fatigue. The objective of this study was to describe the severity of fatigue, disease characteristics and socioeconomic factors in people with RA, PsA and axSpA. Methods: The study was designed as a cross-sectional survey collecting patient characteristics such as disease characteristics, socioeconomic factors and fatigue in people with RA, PsA and axSpA in Denmark. Respondents were consecutively recruited for the study over a six-month period in 2018 via routine visits to outpatient rheumatology clinics. Study nurses collected information on diagnosis, current disease-related treatment and disease activity from medical journals. People were invited to complete a questionnaire related to socioeconomic factors and containing the FACIT-Fatigue subscale. Descriptive statistics were analyzed using SAS. Results: We invited 633 people to participate, and 488 (77%) completed the questionnaire. Women constituted 62% of respondents, and the mean age was 53.5 years. Respondents had on average been diagnosed between 11 and 15 years ago. Overall, 79% had no changes to their disease-related treatment during the past year, and the average disease activity as indicated by DAS28 for RA and PsA was 2.48 and 2.36, respectively, and BASDAI for axSpA was 28.40. Fatigue was present in all three diagnoses (mean: 34.31). The mean fatigue score varied from respondents answering that they suffered from no or little fatigue (mean: 45.48) to extreme fatigue (mean: 10.11). Analyses demonstrated that the respondents were not considerably different from nonrespondents, and the study population is considered representative compared with Danish RA and axSpA patients in the Danish National Rheumatology Registry, the DANBIO database. Conclusion: We found that the majority of the study population were fatigued (61%). They had low disease activity and few disease-related treatment changes.

Suggested Citation

  • Trine Pilgaard & Lise Hagelund & Sandra Elkjær Stallknecht & Henrik Holm Jensen & Bente Appel Esbensen, 2019. "Severity of fatigue in people with rheumatoid arthritis, psoriatic arthritis and spondyloarthritis – Results of a cross-sectional study," PLOS ONE, Public Library of Science, vol. 14(6), pages 1-13, June.
    • Handle: RePEc:plo:pone00:0218831
    DOI: 10.1371/journal.pone.0218831
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    1. Brigitte Michelsen & Ragnhild Fiane & Andreas P Diamantopoulos & Dag Magnar Soldal & Inger Johanne W Hansen & Tuulikki Sokka & Arthur Kavanaugh & Glenn Haugeberg, 2015. "A Comparison of Disease Burden in Rheumatoid Arthritis, Psoriatic Arthritis and Axial Spondyloarthritis," PLOS ONE, Public Library of Science, vol. 10(4), pages 1-11, April.
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