Table 1 CKD stage to GFR conversion

Item	Conversion of GFR from CKD stage
CKD stage	G1	G2	G3a	G3b	G4	G5	G5D^a
GFR criteria (mL/min/1.73 m²)	100	89	59	44	29	14	5
Amount of decline in renal function associated with changes in CKD stage (ΔGFR)	11	30	15	15	15	9	―

^a Renal replacement therapy, haemodialysis, peritoneal dialysis, renal transplantation

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