Table 4.

Cumulative days with or without AKI

		AKI		Sig a
		No b or stage 1 c	Stage 2 c or 3 c
Intervention groups	IV colistin + neb colistin	91	19	0.013
	IV ampicillin + neb colistin	83	5

^aChi-square; ^bNo AKI; ^cAKIN stages: stage 1 = increase in SCr ≥ 0.3 mg/dL; stage 2 = increase in SCr ≥ 2.0 × baseline;

stage 3 = increase in SCr ≥ 3.0 × baseline or SCr ≥ 4.0 mg/dL (with acute rise of ≥0.5 mg/dL) or initiation of RRT (Renal replacement therapy).