Table 3.

Univariable and multivariable logistic regression model for training cohort patients

Variables	Univariate analysis			Multivariate analysis
	OR	95% CI	P value	OR	95% CI	P value
Age	2.790	1.501–5.185	0.001	2.654	1.363–5.167	0.004
CRP	0.285	0.148–0.548	< 0.001	0.437	0.216–0.885	0.021
Lymphocyte	3.806	2.376–6.097	< 0.001	3.496	2.104–5.808	< 0.001
Monocyte (%)	0.425	0.271–0.665	< 0.001
RBC	2.193	1.370–3.512	0.001
Hematocrit	2.543	1.584–4.085	< 0.001	2.266	1.356–3.786	0.002
MCHC	0.489	0.290–0.824	0.007
PLR	0.326	0.207–0.513	< 0.001

Age, CRP, Lymphocyte, Monocyte (%), RBC, Hematocrit, MCHC and PLR were identified based on LASSO regression

Abbreviations: CRP C-reactive protein, RBC Red blood cell, MCHC Mean red blood cell hemoglobin concentration, PLR Platelet to lymphocyte ratio