Table 6.

Distribution of respiratory support at the time of hospitalization regarding the primary outcome.

Respiratory Support	Death (n = 363) (1)	Discharged Alive (n = 377) (1)	p Value (2)
Ordinary simple nasal cannula	6 (1.7%)	36 (9.5%)	<0.001
Simple mask	30 (8.3%)	151 (40.1%)
Mask with reservoir (non-rebreathing mask)	115 (31.7%)	93 (24.7%)
High flow nasal oxygen	17 (4.7%)	44 (11.7%)
Noninvasive ventilation, Continuous positive airway pressure (CPAP)	125 (34.4%)	47 (12.5%)
Invasive ventilation, Mechanical ventilation (MV)	70 (19.3%)	6 (1.6%)

(1) n (%); (2) Pearson’s Chi-squared test.