Distribution of urinary chitinase 3-like protein 1 (UCHI3L1) (a) and urinary neutrophil gelatinase-associated lipocalin (UNGAL) (b) at enrollment in the eight selected subgroups of patients who did not develop acute kidney injury (AKI) based on the Kidney Disease | Improving Global Outcomes serum creatinine (SCr) or urine output (UO) criteria (No AKI SCr/UO ) within 7 days after enrollment, compared to the distribution in all patients with no AKISCr/UO within 12 h after enrollment, and in all those maximally reaching AKISCr/UO stages 1, 2, or 3 within 12 h after enrollment. (TIF 715 kb)