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. 2020 Sep 10:7:392.
doi: 10.3389/fmed.2020.00392. eCollection 2020.

Patients With Rheumatoid Arthritis Increased Risk of Developing Osteoarthritis: A Nationwide Population-Based Cohort Study in Taiwan

Yung-Heng Lee  1   2   3   4 , Hsi-Kai Tsou  5   6 , Su-Ling Kao  7 , Shuo-Yan Gau  8 , Yi-Chiao Bai  8 , Mei-Chen Lin  9   10 , James Cheng-Chung Wei  11   8   12   13
Affiliations

Patients With Rheumatoid Arthritis Increased Risk of Developing Osteoarthritis: A Nationwide Population-Based Cohort Study in Taiwan

Yung-Heng Lee et al. Front Med (Lausanne). .

Abstract

Objective: To investigate the risk of developing OA in patients diagnosed with RA. Methods: In this study, we presented gender, age, urbanization, occupation and, comorbidities in a RA cohort and a non-RA cohort based on number and percentage. We investigated the OA risk in patients with RA. We conducted a retrospective cohort study with a 13-year longitudinal follow-up in Taiwan. Patients who received RA diagnoses between 2000 and 2012 were enrolled in the study cohort. The non-RA cohort were 1:1 propensity score matched with the RA cohort by age, gender, index year, urbanization, occupation, and comorbidities. The hazard ratios (HRs) and adjusted HRs (aHRs) were estimated after confounders were adjusted. Sensitivity analysis utilizing the Longitudinal Health Insurance Database (LHID) was conducted. Results: We totally enrolled 63,626 cases in RA patients (study cohort) and matched controls. In the RA cohort, the crude HR for OA was 2.86 (95% confidence interval (CI), 2.63-3.11, p < 0.001), and the aHR was 2.75 (95% CI, 2.52-2.99, p < 0.001). (The study demonstrated that patients with RA had a higher risk for developing OA compared with the non-RA controls. Conclusion: Developing effective OA prevention strategies are necessary in patients with RA. This finding may be extended to evaluate the risk of OA among other kinds of inflammatory autoimmune diseases. Identifying the key pathogenesis mechanisms are necessary in the future study.

Keywords: autoimmue disease; chronic inflammation; osteoarthritis; population-based cohort study; rheumatoid arthritis.

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Figures

Figure 1
Figure 1
Kaplan Meier survival curves followed up for 10 years in RA and non-RA cohorts.
See this image and copyright information in PMC

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