Table 5.

Multivariate analysis of independent risk factors for differentiating COVID-19 ALI from non-COVID-19 ALI cases.

Variables	Odds ratio (OR)	95% confidence interval (CI)	p-value
Age	0.947	0.912–0.984	0.005
Gender	1.712	0.451–6.500	0.429
Fever	6.283	1.573–25.090	0.009
White blood cells	0.980	0.892–1.076	0.666
Prothrombin time	1.162	1.051–1.286	0.003
TnT	0.589	0.315–1.104	0.099
CK-MB	1.004	0.996–1.013	0.303
Procalcitonin	0.845	0.785–0.909	<0.001
PaCO2	0.842	0.759–0.933	0.001
HbO2	0.642	0.533–0.775	<0.001
Lung involvement	3.746	0.846–16.592	0.082
Crazy paving pattern	32.169	4.558–227.056	<0.001