Patients with Knee Osteoarthritis Undergoing Total Knee Arthroplasty Have a Lower Risk of Subsequent Severe Cardiovascular Events: Propensity Score and Instrumental Variable Analysis

Wen-Yan Lin, Ching-Chih Lee, Chia-Wen Hsu, Kuang-Yung Huang and Shaw-Ruey Lyu

PLOS ONE, 2015, vol. 10, issue 5, 1-11

Abstract: Objective: This population-based study investigated the subsequent cardiovascular risk of patients with knee osteoarthritis underwent total knee arthroplasty in Taiwan. Materials and methods: This was a population-based follow-up study of 22931 patients diagnosed with knee osteoarthritis between 2008 and 2011. Each patient was followed for 3 years or until death. Treatment was dichotomized into conservative treatment and TKA. The association between TKA and cardiovascular disease (CVD) events was analyzed using propensity score analysis and instrumental variable analysis and two-stage least-squares regression model. Results: Patients with knee osteoarthritis who underwent TKA had a lower 3-year cumulative risk of stroke and acute myocardial infarction (AMI). After adjusting for measured risk and confounding factors, propensity score showed a 0.56 fold (adjusted OR = 0.56; 95% CI, 0.51–0.61; p

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0127454

DOI: 10.1371/journal.pone.0127454

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