Skip to main content
. 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 2.

Comparison of Acute Kidney Injury (AKI) Severity by CysC-AKI Staging vs SCr-AKI Staging

SCr-AKI
Staging		 CysC-AKI Staging
No AKI 1 2 3 Total
No AKI 154a 7 1 0 162
1 65 14a 2 0 81
2 8 1 2a 0 11
3 1 2 0 30a 33
Total 228 24 5 30 287b

Abbreviations: CysC-AKI, cystatin C–defined AKI; SCr-AKI, serum creatinine–defined AKI.

a

Patients for whom there is agreement in AKI staging between the 2 definitions.

b

κ Statistic (SE) for AKI severity staging is 0.611 (0.045) (P < .001).