Fig. 3

a Forest plot of the effect of intermediate-to-therapeutic versus prophylactic anticoagulation on any bleeding events in general COVID -19 patients; b Forest plot of the effect of intermediate-to-therapeutic versus prophylactic anticoagulation on major bleeding events in general COVID-19 patients; c Forest plot of the effect of intermediate-to-therapeutic versus prophylactic anticoagulation on any bleeding events in COVID-19 patients admitted to ICU