Thrombocytosis in COVID-19 patients without myeloproliferative neoplasms is associated with better prognosis but higher rate of venous thromboembolism

Background: Coronavirus disease 2019 (COVID-19) caused by acute respiratory syndrome coronavirus 2 (SARS2), is associated with significant morbidity and mortality. The aim of this study is to characterize risk factors and clinical features of COVID-19 disease in an adult cohort in Jeddah, Saudi Arabia.