The Association of Perioperative Serum Lactate Levels with Postoperative Delirium in Elderly Trauma Patients

Table 4

Univariate and multivariable analysis of risk factors associated with delirium development after trauma.

	Univariate analysis		Multivariable analysis
	Odds ratio	value	Odds ratio	value
Serum lactate level on admission	4.19	<0.01	2.40	0.09
Serum lactate level 1 h after surgery	3.83	<0.01	2.83	0.01
Change of lactate level (%)	0.99	0.09	0.58	0.12
ICU admission	4.21	<0.01	3.01	0.01
ISS	2.44	<0.01	1.47	<0.01
Age	1.34	0.09	1.04	0.13
Sex	1.9	0.02	0.60	0.09

ICU: intensive care unit; ISS: injury severity score.