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Archived Comments for: Risk of venous thromboembolism in people admitted to hospital with selected immune-mediated diseases: record-linkage study

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  1. Antiphospholipid syndrome is an important confounder

    Cristian Baicus, Colentina Hospital, Bucharest, Romania

    11 January 2011

    An important confounder, not mentioned in the discussion section, is the antiphospholipid syndrome, which is the main cause of VTE, at least in collagen-vascular diseases (especially in SLE).

    Competing interests

    No competing interests