Table 5.

Risk factors for in-hospital mortality.

Variable	Estimate	Standard Error	Odds ratio (OR)	95% CI	P value
Age, per year	0.065	0.016	1.07	1.47 to 7.33	< 0.001
Creatinine at intubation day	1.188	0.410	3.28	0.84 to 0.99	0.004
BMI	-0.089	0.042	0.91	0.979 to 0.997	0.033
Lowest PF ratio 48 hours post intubation	-0.012	0.005	0.988	1.14 to 23.65	0.011
Barotrauma	1.646	0.774	5.18	0.76 to 0.95	0.034
Duration from symptom onset to intubation	-0.161	0.059	0.85	1.03 to 1.1	0.006

BMI: Body mass index; PF ratio: PaO2/FiO2 ratio.