Patients with myeloproliferative neoplasms and COVID-19 have increased rates of arterial thrombosis

In a retrospective cohort study of patients positive for SARS-CoV2 who either did or did not have an MPN, those in the MPN group experienced increased rates of arterial thrombosis (7% vs. 1%, p = 0.03). The two groups experienced similar rates of venous thromboembolism (7% vs. 5%, p = 0.73), bleeding (7% vs. 2%, p = 0.06), and death (9% vs. 6%, p = 0.32).