Table 4.

Factors associated with 90-day mortality in mechanically ventilated adults with COVID-19.

		Univariable HR [95%CI]	p-Value	Multivariable HR [95%CI]	p-Value
Age, per 10 years		1.49 [1.40–1.58]	<0.001	1.47 [1.37–1.58]	<0.001
Body mass index >30 kg.m−2		0.82 [0.72–0.94]	0.004	0.94 [0.81–1.09]	0.39
Diabetes		1.50 [1.32–1.70]	<0.001	1.30 [1.13–1.50]	<0.001
Immunodeficiency		1.74 [1.47–2.06]	<0.001	1.60 [1.33–1.96]	<0.001
Time between first symptoms and ICU admission, per day		0.96 [0.95–0.87]	<0.001	0.96 [0.95–0.98]	<0.001
Non-respiratory SOFA score at intubation, per one point		1.10 [1.07–1.13]	<0.001	1.09 [1.06–1.12]	<0.001
PaO2/FiO2 at intubation, per 10 mmHg		0.99 [0.98–0.998]	0.02	0.98 [0.98–0.99]	0.003
At least one episode of VAP		1.38 [1.20–1.58]	<0.001	1.34 [1.16–1.55]	<0.001