Table 3.

Postoperative Outcomes of Patients With and Without AKI

Variables	AKI+ (n=25)	AKI− (n=177)	P Value
KDIGO stage, No. (%)
Stage 1	23 (92.0)
Stage 2	2 (8.0)
Continuous renal replacement therapy, No. (%)	1 (4.0)
Delta creatinine from baseline, mg/dL	0.43 (0.38–0.56)	0.10 (0.03–0.19)	<0.001
Creatinine increase from baseline, No. (%)	60 (49–66)	12 (4–24)	<0.001
Intubation time, h	17 (15–21)	7 (5–16)	<0.001
ICU stay, d	4.0 (2.6–5.8)	2.8 (1.8–3.8)	0.010
Postoperative hospital stay, d	28 (20–39)	21 (16–27)	0.024
Hospital mortality, No. (%)	0 (0)	0 (0)	1.00

AKI indicates acute kidney injury; ICU, intensive care unit; and KDIGO, Kidney Disease: Improving Global Outcomes.