Table 4.

Logistic regression for lactic acidosis

Parameters	Univariate OR (CI)	Multivariate OR (CI)
Age more than 70 years	1.18 (0.51-2.74)	0.92 (0.38-2.21)
Postoperative renal failure	2.47 (1.13-5.37)	2.23 (0.97-5.09)
LVEF <40	1.94 (0.99-3.78)	1.76 (0.87-3.56)
On-pump CABG	3.17 (1.53-6.59)	3.29 (1.35-8.00)
Intra-aortic Balloon Pump	1.67 (0.57-4.91)	1.54 (0.49-4.81)
Metformin use	1.29 (0.63-2.66)	1.07 (0.51-2.25)
Use of inotropes	1.68 (0.38-7.41)	2.24 (0.49-10.32)
Use of blood and blood product	1.57 (0.83-2.95)	1.01 (0.47-2.18)

On-pump CABG was associated with lactic acidosis