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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.