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Functional Disability and Its Determinants in Ecuadorian Patients with Rheumatoid Arthritis

Authors Intriago M, Maldonado G, Guerrero R, Moreno M, Moreno L, Rios C

Received 28 February 2020

Accepted for publication 30 April 2020

Published 10 June 2020 Volume 2020:12 Pages 97—104

DOI https://doi.org/10.2147/OARRR.S251725

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Professor Chuan-Ju Liu


Maria Intriago, Genessis Maldonado, Roberto Guerrero, Mario Moreno, Letty Moreno, Carlos Rios

Rheumatology Department, Universidad Espiritu Santo, Guayaquil, Ecuador

Correspondence: Genessis Maldonado Email genesismaldonadovelez92@gmail.com

Introduction: Disability in RA is associated with loss of workdays, greater use of health resources and a higher prevalence of depression. The purpose of this study was to determine the prevalence of functional disability and the factors associated with it.
Methods: A cross-sectional study was carried out during January–June 2019 at a rheumatology clinic in the city of Guayaquil. Patients with pre-established RA were included. Functional disability was measured using the HAQ-DI. Data were analyzed using the statistical program SPSS v22. We compared characteristics between patients with and without disability using Student’s t-test and chi-square. A multiple logistic regression model for functional disability was made.
Results: We included 395 patients, 87.8% female and 12.2% male with a mean age of 51.4± 12 years and mean duration of disease 13.8± 7 years. Most patients had extra-articular manifestations (80.8%) and comorbidities (81.3%). The mean HAQ-DI was 0.8± 0.9, with a prevalence of disability of 26.6%. We found a statistically significant relationship between disability and female sex (p=0.018), age (p=0.020), presence of extra-articular manifestations (p=0.008), myalgia (p< 0.001) and fatigue (p< 0.001). In addition, patients with disabilities had a lower employment rate (26.7%) compared to those without disability (45.5%, p=0.001). In the multivariate logistic analysis, only depression (p=0.029), diabetes (p=0.003), SJC (p=0.001) and VAS of pain (p=0.004) were significantly related to functional disability.
Conclusion: Disability affects a quarter of patients with RA. Among the determinants of disability, we found female sex, older age, grade of pain, inflammatory markers and the level of disease activity.

Keywords: rheumatoid arthritis, disability, Ecuador

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