Table 3.

Area under receiver operation characteristics (AUC) for Urine output Post-FST for the progression to Stage III

Urine output-Individual Hours	AUROC	Urine output-Cumulative	AUROC
Hour 1	0.86	1 – hour total	0.86
Hour 2	0.89	2 – hour total	0.87
Hour 3	0.84	3 – hour total	0.86
Hour 4	0.85	4 – hour total	0.86
Hour 5	0.83	5 – hour total	0.86
Hour 6	0.82	6 – hour total	0.86

Table 3. The operating characteristics for progression to AKIN stage III AKI are depicted above. The column on the left shows AUROC per hourly urine output, while on the right shows AUROC for total urine output following the furosemide stress test. Urine output at the 2-hour period consistently had the best operating characteristics for progression to AKIN stage III AKI.