Table 3.

Multiple logistic regression analysis of the association between clinical, laboratory and imaging characteristics with influenza or COVID-19

Variable	Estimate (S.E.)	OR (95% CI)	p value
(Intercept)	20.911 (8.588)
Hypertension	1.879 (0.473)	6.550 (2.590–16.565)	.000
Unilateral abnormality on chest X-ray	1.561 (0.513)	4.764 (1.743–13.023)	.002
Bilateral abnormality on chest X-ray	2.069 (0.520)	7.916 (2.858–21.925)	.000
Temperature	− 0.626 (0.226)	0.535 (0.343–0,833)	.006
Absolute leukocyte count	− 0.154 (0.061)	0.857 (0.761–0.965)	.011
LDH	0.008 (0.002)	1.008 (1.004–1.012)	.000
ALT	0.043 (0.016)	1.044 (1.012–1.077)	.007
AST	− 0.055 (0.016)	0.946 (0.917–0.976)	.001
Ferritin	0.001 (0.000)	1.001 (1.000–1.002)	0.006

Legend: LDH, lactate dehydrogenase; ALT, alanine aminotransferase; AST, aspartate aminotransferase