Knee osteoarthritis and risk of hypertension: A longitudinal cohort study

Nicola Veronese, Brendon Stubbs, Marco Solmi, Toby Smith, Marianna Noale, Patricia Schofield, Stefania Maggi

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Although previous research has indicated an association between osteoarthritis (OA) and cardiovascular disease, it remains unclear whether people with OA are at greater risk of developing hypertension. The aim of this study was to answer this uncertainity. We used the data of the Osteoarthritis Initiative, an ongoing public and private longitudinal study including people at higher risk of OA or having knee OA. Knee OA was defined through radiological and clinical assessment. Incident hypertension was defined as a systolic blood pressure ≥140 mmHg and/or a diastolic value ≥90 mmHg. Multivariate Cox's regression analyses were constructed considering the presence of knee OA as the exposure and incident hypertension as the outcome during a 96-month follow-up interval. A total of 3558 people with normative blood pressure values at baseline were analyzed (1930 OA/1628 controls). Incidence of hypertension within the follow-up interval was significantly higher in people with knee OA than in those without (60/[1000 person-years] vs. 55/[1000 person-years]; p < 0.0001). After adjusting for 13 confounders, people with knee OA had a 13% higher chance of developing hypertension (hazard ratio = 1.13; 95% confidence interval: 1.01–1.26; p = 0.03). Propensity score analysis did not alter these conclusions. In conclusion, this is the first longitudinal data analysis to demonstrate that people with knee OA have a higher chance of developing hypertension than those without OA. Our data suggest that monitoring blood pressure and prescribing health promotion interventions may be warranted among people with OA to mitigate the potential onset and adverse consequences of hypertension.
Original languageEnglish
Pages (from-to)15-21
Number of pages7
JournalRejuvenation Research
Issue number1
Early online date20 Nov 2017
Publication statusPublished - 1 Feb 2018


  • osteoarthritis
  • hypertension
  • cardiovascular disease
  • epidemiology

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