Table 2.

Univariable cox regression analysis and multivariable cox regression analysis for 28- day mortality.

Characteristics	Univariable cox regression			Multivariable cox regression
	HR	95% Cl	p-value	HR	95% Cl	p-value
Age	1.018	1.006–1.030	0.004	1.015	1.001–1.029	0.034
Temperature	1.234	1.034–1.471	0.020	1.291	1.070–1.559	0.008
DBP	0.987	0.976–0.999	0.034
Albumin	0.956	0.923–0.990	0.011	0.962	0.927–0.999	0.406
LDH	1.000	1.000–1.001	< 0.001
LAR	1.014	1.010–1.018	< 0.001	1.010	1.006–1.015	< 0.001
WBC	1.033	1.010–1.056	0.005
Neutrophil	1.040	1.013–1.067	0.003	1.052	1.021–1.084	< 0.001
PCT	1.012	1.004–1.019	0.002
ALT	1.001	1.000–1.001	0.019
BUN	1.031	1.014–1.049	< 0.001
Creatinine	1.002	1.001–1.003	< 0.001
Uric acid	1.001	1.000–1.002	0.023
AG	1.081	1.038–1.126	< 0.001
SOFA	1.236	1.169–1.307	< 0.001	1.224	1.141–1.313	< 0.001
qSOFA	1.415	1.148–1.745	0.001
CURB-65	1.518	1.277–1.805	< 0.001
COVID-19	2.316	1.669–3.212	< 0.001	3.060	2.121–4.413	< 0.001
Sepsis	1.923	1.389–2.663	< 0.001	1.614	1.130–2.307	0.009