Quantitative variables are expressed as median [interquartile range]. Qualitative variables are expressed as number and percentage. †Two pulmonary thromboembolism and one low extremity deep vein thrombosis. ‡Lung ultrasound Scores : Score 0: normal findings. Score 1: The pleura line is continuous and bilateral vertical “B Kerley” lines are visible; Score 2: The pleura line is not continuous and appears thick and irregular; Score 3: Consolidated areas are visible. Abbreviations : HOCG: Hospital d’Olot i Comarcal de la Garrotxa; ICU: intensive care unit.