Table 4. Therapies administered in 586 COVID-19 hospitalized.

* Chi-square test was used to calculate statistical significance between the mortality and complications

Treatment	65 to 79 years old,  n (%)	pPvalue (95% CI)*	≥80 years old, n (%)	P-value (95% CI)*
Immunomodulatory therapy
Dexamethasone iv 6mg/d	65 (33.7%)	0.865	88 (22.4%)	0.396
Antibiotics
Azithromycin iv 500mg/d	113 (58.5%)	0.195	205 (52.3%)	0.479
Support therapy	154 (79.8%)	0.001	310 (79.3%)	0.001
Oxygen <4L/min	72 (37.3%)		141 (36.1%)
Oxygen ≥4L/min	50 (25.9%)		123 (31.5%)
High flow	5 (2.6%)		14 (3.6%)
Non-invasive mechanical ventilation	21 (10.9%)		31 (7.9%)
Invasive mechanical ventilation	6 (3.1% )		1 (0.3%)