Chronic kidney disease (CKD) is defined as a progressive loss of renal function that lasts for more than 3 months, and is classified according to the degree of kidney damage – measured by the le ...

End-stage renal disease (ESRD) is defined as severe irreversible kidney damage, measured by the level of proteinuria and a reduction in the glomerular filtration rate to ˂15 ml/min/1.73 m2 ...