From: HPLC estimation of iothalamate to measure glomerular filtration rate in humans
Stages | GFR (mL/min) | Kidney function |
---|---|---|
Stage 1 | ≥90 | Normal |
Stage 2 | 60–89 | Slight decrease |
Stage 3 | 30–44 | Mild decrease |
Stage 4 | 15–29 | Severe decrease |
Stage 5 | ≤15 | Renal failure |