Renal biomarkers are less useful at predicting acute kidney injury in patients with sepsis than those without

Table 1 AUC ROC for the prediction of AKI

	ROC AUC
	RIFLE R, I or F				RIFLE I or F
	Septic		Nonseptic		Septic		Nonseptic
Test result variable	Area	SE	Area	SE	Area	SE	Area	SE
Urinary NGAL	0.367	0.136	0.561	0.068	0.367	0.136	0.633	0.090
Urinary NGAL corrected for urinary creatinine	0.417	0.136	0.578	0.066	0.417	0.136	0.670	0.082
Serum NGAL	0.375	0.162	0.639	0.065	0.375	0.162	0.685	0.087
Serum NGAL positivity	0.492	0.158	0.611	0.066	0.492	0.158	0.674	0.082
Urine:serum NGAL ratio	0.483	0.140	0.498	0.068	0.483	0.140	0.543	0.081
1/urinary hepcidin	0.508	0.153	0.624	0.066	0.508	0.153	0.611	0.080
1/urinary hepcidin corrected for urinary creatinine	0.483	0.156	0.598	0.067	0.483	0.156	0.578	0.083

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