Table 2.

Regression analysis of multivariate Cox ratio of the 28-day mortality rate at the lowest serum protein level.

	Haz. ratio	Std. err.	z	P > |z|	[95% conf. interval]
The lowest in-hospital albumin level	0.75	0.15	− 1.33	0.18	0.49–1.14
SAPSII score	1.03	0.003	11.23	< 0.01	1.03–1.04
Chronic kidney disease	0.98	0.13	− 0.12	0.91	0.74–1.29
Diabetes mellitus	0.77	0.09	− 2.15	0.03	0.62–0.97
Septic shock	1.11	0.13	0.88	0.38	0.87–1.40
Laboratory examination on admission
Platelets	0.99	0.00	− 0.64	0.52	0.99–1.00
Lactate level	1.11	0.02	5.16	< 0.01	1.06–1.16
Albumin level	0.79	0.11	− 1.57	0.12	0.60–1.05
Blood creatinine	0.95	0.03	− 1.12	0.26	0.89–1.03
Hemoglobin	0.97	0.02	− 1.02	0.31	0.92–1.02
The lowest in-hospital albumin level	1.26	0.21	1.34	0.18	0.89–1.76
Albumin supplementation	1.03	0.11	0.29	0.77	0.82–1.29