> 3 months
60
3 months
<15mL/min/1.73^2
RRT required
1 2 3a 3b 4 5
GFR>90 mL/min
OR
renal damage evidence
GFR 60-89 mL/min
+
renal damage evidence
GFR 45-59 mL/min
GFR 30-44 mL/min
GFR 15-29 mL/min
GFR <15 mL/min
[CKD]: Staging: what constitutes ‘evidence of renal damage’ (4)
Proteinuria
Haematuria
abnormal anatomy
systemic disease
> 140/>85
DM 2»1
GN
Hypertension/renovascular
Pyelonephritis/reflux nephropathy
IgA nephropathy
uraemic syndrome
restless legs
pruritis
bone pain
vomiting
parathyroidism
low
high
renal osteodystrophy
High
small kidneys (<9cm)
CKD 4 or 5