Table 3.

The Association Between Lactate and 30-Day Mortality

Lactate	Non-Adjusted		Model I		Model II
	OR (95% CIs) P value		OR (95% CIs) P value		OR (95% CIs)	P value
Tertile 1	1.0 (ref)		1.0 (ref)		1.0 (ref)
Tertile 2	2.2 (1.5, 3.4)	<0.001	2.2 (1.4, 3.4)	<0.001	1.6 (1.0, 2.6)	0.042
Tertile 3	4.2 (2.8, 6.3)	<0.001	4.6 (3.0, 7.0)	<0.001	2.7 (1.7, 4.4)	<0.001
Continuous	1.6 (1.5, 1.8)	<0.001	1.7 (1.5, 1.9)	<0.001	1.4 (1.2, 1.6)	<0.001

Notes: a: model I covariates were adjusted for age, sex and ethnicity. b: model II covariates were adjusted for age, sex, ethnicity, SOFA, SAPS-II, liver disease, renal disease, atrial fibrillation, respiratory failure, sepsis, anion gap, creatine, hemoglobin, platelet, bicarbonate, WBC, PT, systolic blood pressure, respiratory rate and vasoactive drug use.

Abbreviations: OR, odds ratio; CI, confidence interval.