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Table 1 Chronic kidney disease by GFR and albuminuria stages (adapted from [16] and [61])

From: On the rationale of population screening for chronic kidney disease: a public health perspective

   

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

  1. GFR glomerular filtration rate, CKD chronic kidney disease