Covariate	OR	95% CI	P-value
Age at diagnosis (months)	1.01	1.00-1.01	0.004
Hospital location at AKI diagnosis- PICU relative to general ward	1.71	0.89-3.28	0.109
Hospital location at AKI diagnosis- PCICU relative to general ward	3.53	1.60-7.79	0.002
Hospital location at AKI diagnosis- NICU relative to general ward	3.12	1.22-7.97	0.018
Prematurity ≤ 36 weeks	2.29	1.16-4.49	0.016
Malignancy	2.60	1.17-5.78	0.019
Bone marrow transplant	8.18	3.26-20.51	<0.001
Previous AKI before study period	3.01	1.41-6.44	0.004
Mechanical ventilation at AKI diagnosis	2.32	1.36-3.97	0.002
Pressor support at AKI diagnosis	0.49	0.28-0.87	0.014
Duration of AKI (days)	1.25	1.12-1.39	<0.001
AKI stage 2	1.96	1.10-3.50	0.023
AKI stage 3	3.48	1.86-6.51	<0.001
Renal replacement therapy during AKI period	3.52	1.60-7.77	0.002