Results of thromboelastometry in COVID-19–infected patients and healthy controls. Scatter plots of thromboelastometry. The line represents the median. Data comparisons were made using Mann–Whitney U test. Presented are the results of extrinsic activation assay: (A) clotting time extrinsic activation, (B) maximum clot formation, extrinsic activation, and (C) clot formation time, extrinsic activation; intrinsic activation: (D) clotting time intrinsic activation, (E) maximum clot formation, intrinsic activation, (F) clot formation time, intrinsic activation; contribution of fibrin to clot firmness assay (fibrin test): (G) clotting time, contribution of fibrin to clot firmness, (H) maximum clot formation, contribution of fibrin to maximum clot firmness; extrinsic activation and activation of fibrinolysis by Tpa (Tpa-test): (I) maximum lysis, extrinsic activation and activation of fibrinolysis by Tpa, (J) clotting time, extrinsic activation and activation of fibrinolysis by Tpa, (K) maximum clot firmness, extrinsic activation and activation of fibrinolysis by Tpa, (L): lysis time, extrinsic activation and activation of fibrinolysis by Tpa. *P <0.01; **P < 0.001. CFT, clot formation time; COVID-19, coronavirus disease 2019; CT, clotting time; LT, lysis time; MCF, maximum clot firmness; ML, maximum lysis; Tpa, tissue plasminogen activator.