Background The prevalence of venous thromboembolic event (VTE) and arterial
thromboembolic event (ATE) thromboembolic events in patients with COVID-19 remains
largely unknown. Methods In this meta-analysis, we systematically searched for
observational studies describing the prevalence of VTE and ATE in COVID-19 up to 30
September 2020. Results We analysed findings from 102 studies (64 503 patients). The
frequency of COVID-19-related VTE was 14.7%(95% CI 12.1% to 17.6%, I2= 94%; 56 …

Introduction: The prevalence of venous (VTE) and arterial (ATE) thromboembolic events in
patients with COVID-19 remains largely unknown. Methods: In this systematic review and
meta-analysis, we systematically searched Pubmed MEDLINE, Google Scholar, and Web of
Science for observational studies describing the prevalence of VTE and ATE amongst
patients with COVID-19 published between Jan 1, 2020 and May 20, 2020. The websites of
major journals were also searched. Results: We analysed findings from 15 studies totalizing …