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Association between ankylosing spondylitis and venous thromboembolism
  1. Shih-Wei Lai1,2
  1. 1Department of Public Health, College of Public Health and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
  2. 2Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
  1. Correspondence to Dr Shih-Wei Lai, Department of Family Medicine, China Medical University Hospital, Taichung 404, Taiwan; wei{at}

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Ankylosing spondylitis is a type of arthritis that commonly affects the joints of the spine. The relationship between ankylosing spondylitis and other diseases has been extensively explored.1 2 Recently, a cohort study in Canada conducted by Aviña-Zubieta et al published in Annals of Rheumatic Diseases disclosed that people with ankylosing spondylitis were at higher risk of venous thromboembolism compared with people without ankylosing spondylitis (HR 1.53, 95% CI 1.16 to 2.01).3 Aviña-Zubieta et al’s study is well performed and is informative to the researchers. Some of my views are shared with the readers as follows. First, the overall incidence of venous thromboembolism …

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