Table 4. Underlying Causes According to the Lactic Acidosis.

Underlying causes	No lactic acidosis, n (%)	Lactic acidosis, n (%)	p value
Sepsis	43 (13.9)	18 (30.5)	0.002
Infection	138 (44.7)	26 (44.1)	0.933
Myocardial infarction*	6 (1.9)	2 (3.4)	0.376
Heart failure*	14 (4.5)	2 (3.4)	0.512
Hypoxia	39 (12.6)	6 (10.3)	0.598
Shock	56 (18.1)	21 (35.6)	0.003
Liver cirrhosis	15 (4.9)	12 (20.3)	<0.001
Grand mal seizure*	1 (0.3)	2 (3.4)	0.068
Bleeding	36 (11.7)	17 (28.8)	0.001

^*Fisher's exact test.