Proportions of patients with normal renal function and AKI at the three times of the study.

<p>In the AKI patients, RIFLE categories are reported as numbers and percentages of AKI patients.</p><p>Proportions of patients with normal renal function and AKI at the three times of the study.</p

Baseline clinical and biological characteristics of the patient population with focus on renal function.

<p>Data are expressed as median and interquartile range except for haemodynamic failure expressed as number and percentage.</p><p>Baseline clinical and biological characteristics of the patient population with focus on renal function.</p

Treatments administered in the population and according to the renal function.

<p>Data are expressed as median and interquartile range.</p><p>Treatments administered in the population and according to the renal function.</p

Multiple logistic regression model with AKI on admission as the dependent variable.

<p>Multiple logistic regression model with AKI on admission as the dependent variable.</p