Table 2.

First stage of AKI diagnosis and peak AKI stage

First AKI stage	Peak AKI Stage
	Stage 1 AKI	Stage 2 AKI	Stage 3 AKI	Total
Stage 1 AKI	125	10a	10a	145
Stage 2 AKI	0	23	2a	25
Stage 3 AKI	0	0	6a	6
Total	125	33	18	176

^aPatients with AKI progression.