Rate of venous thromboembolism among surgical patients in Australian hospitals: a multicentre retrospective cohort study.

BMJ Open · 2014 · PMC4187993 · PMID 25280806

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an increasing trendno p-value reported

2 55 However, we found an increasing trend in NSW postoperative VTE incidence rates within 2002–2009, with an approximate 4% annual increase and total increase of 30%, mostly contributed by the higher incidence in the smaller hospital peer groups (237%) compared to the large teaching hospital group (19%).

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