From: Etiopathology of chronic tubular, glomerular and renovascular nephropathies: Clinical implications
Stage | GFR | Common symptoms |
---|---|---|
1 | ≥ 90* | - |
2 | 60-90* | ↑ Parathyroid hormone, ↓renal calcium reabsorption |
3 | 30-59 | Left ventricular hypertrophy, anemia secondary to erythropoietin deficiency |
4 | 15-29 | ↑ Serum triglycerides, hyperphosphatemia, hyperkalemia, metabolic acidosis, fatigue, nausea, anorexia, bone pain |
5 | < 15 | Renal failure: severe uremic symptoms |