Fig. 1
From: Endothelial Permeability and the Angiopoietin/Tie2 System Following Mild and Severe COVID-19
Study design Patients were sampled three times during hospital admission; at admission, during week 1 and week 2*. Blood samples were centrifuged and plasma samples were stored at − 80 °C. In the current study, ECIS and ELISA were performed with the obtained plasma samples. *only if patients were not discharged before week 2