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. 2009 Sep 1;10:24. doi: 10.1186/1471-2369-10-24

Table 3.

Number of admissions with or without the ICD-9 diagnosis of CKD at discharge, stratified by KDOQI stage

KDOQI
Stage
ICD-9 diagnosis 3 4 5 All admissions with KDOQI stage ≥ 3

No CKD 6,838
(90.5%)
550
(7.3%)
165
(2,2%)
7,553
CKD 793
(50.2%)
490
(31.1%)
296
(18.7%)
1,579

KDOQI: Kidney Disease Outcomes Quality Initiative