Risk of Intensive Care Unit admission or mortality in patients hospitalised for COVID-19 during the first two waves: An Italian cohort study. Issue 4 (October 2022) - Sacerdote, Carlotta; Milani, Lorenzo; Castiglione, Anna; Pagano, Eva; Migliore, Enrica; Albera, Carlo; Bo, Mario; Brazzi, Luca; De Rosa, Francesco Giuseppe; Durazzo, Marilena; Lupia, Enrico; Montrucchio, Giuseppe; et al.