Fig. 1From: Extracellular vesicles as regulators of kidney function and diseaseStaging of CKD. Green: low risk (if no other markers of kidney disease, no CKD); yellow: moderately increased risk; orange: high risk; red: very high risk. From “KDIGO 2012 Clinical Practice Guideline for the Evaluation and Management of Chronic Kidney Disease” with kind permission by Kidney International Supplements [12]Back to article page