. 2015 Nov 4;4:F1000 Faculty Rev-1212. [Version 1] doi: 10.12688/f1000research.6970.1

Table 1. Definition of chronic kidney disease (KDIGO 2012).

Criteria for chronic kidney disease ^a	Definition of criteria
One or more marker of kidney damage	Albuminuria (AER of ≧30 mg per 24 hours and ACR of ≧30 mg/g) Urine sediment abnormalities Electrolyte and other abnormalities due to tubular disorders Abnormalities detected by histology Structural abnormalities detected by imaging History of kidney transplantation
Decreased GFR	GFR of less than 60 ml/min per 1.73 m ²

^aEither of the criteria below should be present for more than 3 months. Data are from the KDIGO (Kidney Disease: Improving Global Outcomes) 2012 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease. ACR, albumin-to-creatinine ratio; AER, albumin excretion rate; GFR, glomerular filtration rate.