Research Article
Impact of Chronic Kidney Disease on Clinical Outcomes during Hospitalization and Five-Year Follow-Up after Coronary Artery Bypass Grafting
Table 1
Classes of chronic kidney disease [
9].
| | Stages | Description | Classification | | GFR (mL/min/1.73 m2) | Terms |
| | 1 | Kidney damage with normal GFR | ≥90 | Proteinuria, albuminuria | | 2 | Kidney damage with a mild decrease of GFR | 60–89 | Proteinuria, albuminuria | | 3 | Moderately reduced GFR | 30–59 | Early renal insufficiency | | 4 | Severely reduced GFR | 15–29 | Late renal insufficiency, pre-ESRD | | 5 | Kidney failure | <15 | ESRD |
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ESRD: end-stage renal disease; GFR: glomerular filtration rate.
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