Table 1.

Characteristics of patient population

	Critically ill without AKI n=20	Critically ill with AKI n=19	p value
Median age (years with IQR)	3.5 (0.46; 8)	14 (0.7; 17)	0.17
Gender (n, %)
Male	8 (40 %)	8 (43 %)	1.00
Female	12 (60 %)	11 (57 %)
Race (n, %)
White	2 (10 %)	6 (32 %)	0.12
African American	10 (50 %)	10 (53 %)	1.00
Latin American	8 (40 %)	2 (11 %)	0.06
Asian American	0	1 (5 %)	nd
PRISM II score Median (IQR)	6.5 (4; 11)	8.5 (7; 13.5)	0.24
Length of stay in ICU Median (IQR)	18 (10.75; 25.5)	16 (10; 25.5)	0.54
Serum creatinine Mean±SD, peak	0.58±0.23	2.60±1.89	< 0.001
Non-survivors (n, %)	3 (15 %)	7 (37 %)	0.15
Required CRRT (n, %)	0 (0 %)	13 (68 %)	< 0.001
Treated with ECMO (n, %)	6 (30 %)	4 (21 %)	0.71

Results were analyzed using either the Mann–Whitney test, Fisher’s exact test, or unpaired t test

IQR inter-quartile range; ICU intensive care unit; CRRT continuous renal replacement therapy; ECMO extracorporeal membrane oxygenation; AKI acute kidney injury