Binary logistic regression model with in-hospital mortality as the dependent factor.

<p>Variables with significant associations with mortality were tested; for AKI stage, stage 1 was taken as the reference category. Hospital acquired AKI was compared with community acquired AKI that was used as the reference category.</p

Table of the most frequent primary causes of death.

<p>Table of the most frequent primary causes of death.</p

Univariate associations between co-morbid conditions and mortality in patients with AKI.

<p>There were no associations with diabetes, diabetic complications or dementia.</p

Table of the most frequent primary cause of death stratified by AKI stage.

<p>Results are displayed as percentages with absolute numbers in parentheses.</p

Frequency chart demonstrating major disease categories causing death in patients with AKI.

<p>Frequency chart demonstrating major disease categories causing death in patients with AKI.</p