Table 5.

Multivariate analysis of factors associated with the incidence of acute kidney injury

Variable	OR	95%CI	p value
Arterial hypertension	1.96	1.03 - 3.74	0.041
Chronic kidney disease	5.39	2.04 - 14.29	0.001
Hypernatremia	2.09	1.02 - 4.31	0.045
Transfusions	2.89	1.47 - 5.68	0.002
Shock	3.94	1.72 - 9.07	0.001
ARDS	2.52	1.24 - 5.12	0.010
APACHE II ≥ 17	1.06	1.01 - 1.12	0.010
Sepsis	7.79	2.02 - 29.97	0.003

OR - odds ratio; CI - confidence interval; ARDS - acute respiratory distress syndrome; APACHE II - Acute Physiology and Chronic Health Evaluation II.