Table 2. Factors associated with in-hospital mortality after multivariate analysis.

Factor	OR (95% CI)	p
Need for mechanical ventilation	3.60 (1.85-7.47)	< 0.001
CCI score	1.30 (1.18-1.43)	< 0.001
CURB-65 score	1.46 (1.09-1.98)	0.006

CCI: Charlson Comorbidity Index; and CURB-65: mental Confusion, Urea, Respiratory rate, Blood pressure, and age > 65 years.