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In an article published in the Annals of the Rheumatic Diseases, Schieir et al1 reported a trend of increased cardiovascular risk in patients with ankylosing spondylitis (AS). In this letter, we wish to add data to support the conclusions of that article. We performed an updated meta-analysis to investigate the risks of myocardial infarction (MI) and stroke in patients with AS and controls.
We searched PubMed to find reports of interest, published up to February 2018. We included all observational or case/control studies that reported rates of MI or stroke. We calculated the incidences of MI and stroke in a meta-analysis of proportions (inverse variance method) and expressed them in terms of …
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