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. Author manuscript; available in PMC: 2015 Jul 19.
Published in final edited form as: JAMA Pediatr. 2015 Jun 1;169(6):583–591. doi: 10.1001/jamapediatrics.2015.54

Table 5.

Acute Kidney Injury (AKI) Associations With Lengths of Intensive Care Unit (ICU) Stay, Hospital Stay, and Mechanical Ventilation for Each AKI Definition

AKI Definition Median (Interquartile Range), d
Length of
ICU Stay		 Length of
Hospital Stay		 Length of
Mechanical
Ventilation
Serum Creatinine KDIGO AKI
Yes 3 (2–5) 7 (5–13) 2 (1–3)
No 2 (1–3) 4 (3–6) 1 (0–2)
Unadjusted P value <.001 <.001 <.001
Adjusted P valuea <.001 <.001 <.001
Cystatin C KDIGO AKI
Yes 4 (3–5) 7 (5–15) 2 (1–3)
No 2 (1–3) 5 (3–7) 1 (0–2)
Unadjusted P value <.001 <.001 <.001
Adjusted P valuea <.001 <.001 .008

Abbreviation: KDIGO AKI, Kidney Disease: Improving Global Outcomes AKI definition (based on serum creatinine or cystatin C).

a

Adjusted for age (per year), sex, site, white race, preoperative estimated glomerular filtration rate, cardiopulmonary bypass time exceeding 120 minutes, and Risk Adjustment in Congenital Heart Surgery 1 category greater than 2.