Table 3.

Multivariate analysis of risk of dialysis initiation by a Cox regression model

	Hazard ratio	95% Confidence interval	P value
Troponin I > 0.42 ng/mL	3.41	1.65–7.02	0.001
Gender (male)	0.72	0.43–1.22	0.22
Age (year)	0.99	0.97–1.02	0.53
SOFA score D1	1.08	0.87–1.33	0.48
Serum creatinine	2.50	1.25–5.02	0.01
Potassium (mmol/L)	0.95	0.68–1.32	0.48
pH (0.1)	0.34	0.01–1.01	0.056