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Back| Stage | Characteristics | GFR Level (ml/min) |
|---|---|---|
| Stage 1 | Kidney damage with normal GFR | >90 |
| Stage 2 | Mild decrease in GFR | 60-89 |
| Stage 3 | Moderate decrease in GFR | 30-59 |
| Stage 4 | Severe decrease in GFR | 15-29 |
| Stage 5 | Kidney failure (ESRD) | <15 |
Explanation
Stages 3-5 are considered chronic renal failure, with stage 5 being end-stage renal disease. Treatment recommendations are as follows:
Stage 1: Diagnosis and treatment of underlying cause; treatment of comorbid conditions; slowing progression; reducing cardiovascular risk
Stage 2: Estimating progression
Stage 3: Evaluating and treating complications
Stage 4: Preparing for renal replacement therapy
Stage 5: Renal replacement therapy
Risk factors: Hypertension, diabetes, autoimmune diseases, older age, African ancestry, family history of kidney disease, previous acute kidney injury, proteinuria, abnormal urine sediment, structural abnormalities of the urinary tract, etc.
