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Table 2 The distribution of renal function status at 90 days following the onset of AKI and the assessment of long-term outcomes

From: Kidney function decline after a non-dialysis-requiring acute kidney injury is associated with higher long-term mortality in critically ill survivors

(A) Renal function status at 90 days following the onset of AKI (n = 634) (B) Eligibility and number of subjects assessed for each long-term outcome (see statistical analyses section)
Post-90d-eGFR-based renal function status n Assessment of long-term outcomes Eligible patients n
(I) Preserved eGFR 187 (29.5%) Stage 3 CKD post-90d-eGFR ≥ 60 mL/min/1.73 m2 187 (I)
(II) Stage 3 CKD 187 (29.5%) Stage 4 CKD post-90d-eGFR ≥ 30 mL/min/1.73 m2 374 (I+II)
(III) Stage 4 CKD 47 (7.4%) Stage 5 CKD post-90d-eGFR ≥ 15 mL/min/1.73 m2 421 (I+II+III)
(IV) Stage 5 CKD 10 (1.6%) ESRD all hospital survivors 634 (I+II+III+IV+V+VI)
(V) Unknown 160 (25.2%) Mortality all hospital survivors 634 (I+II+III+IV+V+VI)
(VI) Death before 90 days 43 (6.8%)    
  1. AKI, acute kidney injury; CKD, chronic kidney disease; post-90d-eGFR, estimated glomerular filtration rate at 90 days after AKI; preserved eGFR, estimated glomerular filtration rate 60 mL/min/1.73 m2 or higher.