Table 3.

Multivariable logistic regression analysis to identify independent predictors of in-hospital mortality

Variable	Adjusted OR	95% CI	P-value
Timely antibiotic use	0.54	0.34-0.87	0.01
APACHE II score	1.06	1.03-1.10	<0.01
Infection focus
Abdomen	Reference
Pneumonia	2.31	1.34-3.94	<0.01
Urinary tract infection	0.19	0.52-0.66	<0.01
Others	1.76	0.93-3.33	0.08
Initial serum lactate (mmol/L)	1.20	1.03-1.10	<0.01

Hosmer-Lemeshow goodness-of-fit test, P=0.83.

OR, odds ratio; CI, confidence interval; APACHE, Acute Physiology and Chronic Health Evaluation.