Swain, S, Coupland, C, Mallen, CD ORCID: https://orcid.org/0000-0002-2677-1028, Kuo, CF, Sarmanova, A, Bierma-Zeinstra, SMA, Englund, M, Prieto-Alhambra, D, Doherty, M and Zhang, W (2021) Temporal relationship between osteoarthritis and comorbidities: a combined case control and cohort study in the UK primary care setting. Rheumatology.

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Abstract

OBJECTIVE: To determine the burden of comorbidities in osteoarthritis (OA) and their temporal relationships in the UK. METHODS: The Clinical Practice Research Datalink (CPRD) GOLD was used to identify people with incident OA and age, gender and practice matched non-OA controls from UK primary care. Controls were assigned the same index date as matched cases (date of OA diagnosis). Associations between OA and 49 individual comorbidities and multimorbidity (≥2 comorbidities excluding OA) both before and after OA diagnosis were estimated, adjusting for covariates, using odds ratios (aOR) and hazard ratios (aHR) respectively. RESULTS: During 1997-2017, we identified 221 807 incident OA cases and 221 807 matched controls. Of 49 comorbidities examined, 38 were associated with OA both prior to, and following, the diagnosis of OA, and 2 (dementia and SLE) were associated with OA only following the diagnosis of OA. People with OA had higher risk of developing heart failure (aHR 1.63; 95% CI 1.56-1.71), dementia (aHR 1.62; 95% CI 1.56-1.68), liver diseases (aHR 1.51; 95% CI 1.37-1.67), irritable bowel syndrome (aHR 1.51; 95% CI 1.45-1.58), gastrointestinal bleeding (aHR 1.49; 95% CI 1.39-1.59), 10 musculoskeletal conditions and 25 other conditions following OA diagnosis. The aOR for multimorbidity prior to the index date was 1.71 (95% CI 1.69-1.74), whereas the aHR for multimorbidity after the index date was 1.29 (95% CI 1.28-1.30). CONCLUSIONS: People with OA are more likely to have other chronic conditions both before and after the OA diagnosis. Further study on shared aetiology and causality of these associations is needed.

Item Type: Article
Additional Information: © The Author(s) 2021. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com The final version of this accepted manuscript can be accessed directly from the publishers.
Uncontrolled Keywords: osteoarthritis; comorbidity; multimorbidity; temporal association; burden
Subjects: R Medicine > R Medicine (General)
R Medicine > RA Public aspects of medicine
Divisions: Faculty of Medicine and Health Sciences > Primary Care Health Sciences
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Depositing User: Symplectic
Date Deposited: 23 Apr 2021 07:37
Last Modified: 23 Apr 2021 07:37
URI: https://eprints.keele.ac.uk/id/eprint/9437

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