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What is CKD?

Chronic kidney disease (CKD) is a term that describes any form of chronic kidney damage and also the circumstance where a patient's estimated glomerular filtration rate (eGFR) is less than 60 ml/min/1.73 m2. The aims of this article are to explain this definition, including its limitations, describe the epidemiology of CKD and discuss the pros and cons of labelling patients as having CKD.