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A recent study of patient health records found that around 1 in 100 people with COVID-19 had a venal or arterial thrombosis, with rates higher still among males, and particularly for those hospitalised.

Coronavirus

It has been previously estimated that the risk of venal thrombosis (VTE) among people hospitalised with COVID-19 is around 9% while the risk of an or arterial thrombosis (ATE) is 4%. However, little data exists for these events in patients who have not been admitted to hospital.

A new study published in the Lancet Infectious Diseases, estimates the incidence of VTE and ATE among almost 1 million people with COVID-19, using routinely collected data from across Europe. The study found that for people with COVID-19, the risks ranged from 0.2% to 0.8% for VTE. For ATE it was from 0.1% to 0.8%.

Incidence of these events increased to 4.5% and 3.1% for those hospitalised with COVID-19. Meanwhile, 90-day mortality was between 1.1% and 2.0% among COVID-19 cases and increased to 14.6% for those hospitalised.
Results also showed that being male was generally associated with an increased risk of VTE, ATE, and death, as were various comorbidities and prior medications.

Read the full story on the Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences website. 

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