Table 4.

Multivariable Logistic Regression Analysis for Predictors of Acute Kidney Injury While Receiving Continuous Hypertonic Saline Infusion.

Variable	Odds Ratio	95% Confidence Interval	P
History of chronic kidney diseasea	9.7	1.9-50.6	.007
Serum sodium >155 mmol/L	4.1	2.1-8.0	<.001
Treatment with piperacillin/tazobactam	3.9	1.7-9.3	.002
Male gender	3.2	1.5-6.6	.002
African American race	2.6	1.3-5.2	.007

^aNot requiring hemodialysis prior to admission; Hosmer and Lemeshow goodness-of-fit test = 0.87; Receiver–operator characteristic area under the curve = 0.77 (95% confidence interval: 0.71-0.84); All other variables with P < .2 in univariate analysis did not predict outcome.