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Table 2 Stages of chronic kidney disease

From: European registry of type A aortic dissection (ERTAAD) - rationale, design and definition criteria

Stages eGFR (mL/min/1.73 m2)
1 ≥90
2 60–89
3a 45–59
3b 30–44
4 15–29
5 < 15 or dialysis
  1. eGFR estimated glomerular filtration rate