Table 2.

Multivariate logistic regression analysis of risk factors of COVID-19 ARDS based on selected variables in the training cohort.

Variable	Coefficient	OR (95% CI)	P-value
Age	0.089	1.093 (1.015, 1.177)	0.018
P/F ratio	−0.024	0.977 (0.963, 0.991)	0.001
CRP	0.017	1.017 (1.001, 1.033)	0.036
T lymphocyte	−0.004	0.996 (0.993, 0.999)	0.021
IL-6	0.008	1.008 (1.002, 1.017)	0.045

OR, odds ratio; CI, confidence interval.