Table 2.

Associations among multiple indicators and mortality

Variables	OR value	95%CI	p
ICU length of stay (days)	1.068	(1.047, 1.090)	< 0.05
hospital length of stay (days)	0.997	(0.867, 1.031)	0.511
APACHEII score	1.223	(1.177, 1.271)	< 0.05
Lactate level > 4 mmol/L (baseline)	4.326	(2.625, 7.129)	< 0.05
Lactate clearance at 24 h	0.525	(0.412, 0.669)	< 0.05
Preoperative liver function	0.805	(0.326, 1.991)	0.639
Preoperative renal function	0.607	(0.302, 1.219)	0.160
Postoperative liver function	0.624	(0.304, 1.280)	0.198
Postoperative renal function	0.104	(0.054, 0.202)	< 0.05