The optimal timing of continuous renal replacement therapy according to the modified RIFLE classification in critically ill patients with acute kidney injury: a retrospective observational study

Table 4 Independent predictors of in-hospital mortality using logistic regression analysis

Variables	Odds ratio	95% confidence interval	P value
Timing of RRT initiation
Early initiation	1.0^a
Late initiation	0.30	0.13–0.71	0.006
SAPS II score	1.04	1.02–1.06	<0.001

Abbreviations: RRT renal replacement therapy, SAPS II Simplified Acute Physiology Score II
^aReference indicator variable

ISSN: 2059-1381