Table 3.

Performance metrics of the combined top five predictors of hospital-acquired AKI patients at different days prior to AKI onset on the (A) Stony Brook Hospital dataset and (B) Tongji Hospital data

	AUC	Accuracy	Specificity	Sensitivity
A
Day 0 of AKI onset	0.78	0.80	0.96	0.62
− 1 day	0.66	0.79	0.97	0.35
− 2 day	0.56	0.77	0.98	0.14
− 3 day	0.51	0.83	0.99	0.04
B
Day 0 of AKI onset	0.93	0.65	1.0	0.59
− 1 day	0.80	0.90	0.94	0.58
− 2 day	0.88	0.90	0.93	0.58
− 3 day	0.78	0.89	0.94	0