Angiopoietin-2 as a marker of endothelial activation is a good predictor factor for intensive care unit admission of COVID-19 patients

David M. Smadja, Coralie L. Guerin, Richard Chocron, Nader Yatim, Jeremy Boussier, Nicolas Gendron, Lina Khider, Jérôme Hadjadj, Guillaume Goudot, Benjamin Debuc, Philippe Juvin, Caroline Hauw-Berlemont, Jean-Loup Augy, Nicolas Peron, Emmanuel Messas, Benjamin Planquette, Olivier Sanchez, Bruno Charbit, Pascale Gaussem, Darragh Duffy, Benjamin Terrier, Tristan Mirault, Jean-Luc Diehl