Table 2.

Multivariate analysis of risk factors for hypoglycemic events

Variable	Odds ratio	95% confidence interval	P value
Diabetes	2.60	1.30 to 5.17	0.007
Hematocrit (%)	0.91	0.87 to 0.96	0.001
Lactate (mmol/l)	1.11	1.02 to 1.21	0.017
CK-MB (ng/ml)	1.02	1.00 to 1.05	0.050
SD of mean BG	1.03	1.02 to 1.04	< 0.001
Hepatic failure	3.63	1.52 to 8.67	0.004
VAP	11.39	3.43 to 37.85	< 0.001

BG, blood glucose; CK-MB, creatine kinase-MB; SD, standard deviation; VAP, ventilator-associated pneumonia. Chi-square = 5.336 and P = 0.721 by Hosmer-Lemeshow goodness-of-fit test.