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Case Control Study
Copyright: ©Author(s) 2026.
World J Nephrol. Jun 25, 2026; 15(2): 118877
Published online Jun 25, 2026. doi: 10.5527/wjn.v15.i2.118877
Table 1 Classification of chronic kidney disease into five stages based on the glomerular filtration rate reduction and degree of proteinuria[10]
Stage
Description of the stage
eGFR (mL/minute/1.73 m2)
1Kidney damage with normal or increased GFR≥ 90
2Kidney damage with mildly decreased GFR60-90
3Moderately decreased GFR30-59
4Severely decreased GFR15-29
5End-stage renal disease< 15 or dialysis


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