Table 1.

Main demographic and clinical features of the admitted patients.

M/F (%)	53/47
Age, yrs (mean (SD))	67.7 (18.91)
Smoking history (never/former/current) (%)	68.0/8.0/24.0
Epidemiological link, Y/N (%)	19.6/80.4
Comorbidities Y/N (%)	79.5/20.5
Fever Y/N (%)	38.0/62.0
• Temperature, C° (median [IQR])	36.5 [36.00, 37.50]
Dyspnea Y/N (%)	50.0/50.0
Dry cough Y/N (%)	25.6/74.4
Chest CT hallmarks of COVID-19 Y/N (%)	68.6/31.4
• Ground glass opacities Y/N (%)	37.2/62.8
Pleural effusion Y/N (%)	41.9/58.1
Lymphopenia Y/N (%)	81.0/19.0
LDH U/l (mean (SD))	247.10 (227.15)
CPR mg/l (mean (SD))	42.78 (52.52)
D-dimer ng/ml (mean (SD))	1901.01 (1546.44)