Table 1.

Chronic kidney disease by GFR and albuminuria stages (adapted from [16] and [61])

			Albuminuria stages (mg/g)
			A1: < 30	A2: 30–299	A3: >300
GFR stages (mL/min/1.73 m2)	G1	≥90	No CKD	CKD G1-A2	CKD G1-A2
	G2	60-89	No CKD	CKD G2-A2	CKD G2-A3
	G3a	45-59	CKD G3a-A1	CKD G3a-A2	CKD G3a-A3
	G3b	30-44	CKD G3b-A1	CKD G3b-A2	CKD G3b-A3
	G4	15-29	CKD G4a-A1	CKD G4a-A2	CKD G4a-A3
	G5	<15	CKD G5a-A1	CKD G5a-A2	CKD G5a-A3

GFR glomerular filtration rate, CKD chronic kidney disease