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Table 2 Estimation of renal function in patients with normal serum creatinine using the simplified MDRD and Cockcroft–Gault formulas

From: Estimation of renal function in adult outpatients with normal serum creatinine

GFR (ml/min/1.73 m2)DescriptionMDRD, n (%)Cockcroft–Gault, n (%)
≥ 90Normal or high GFR293 (70.8)186 (44.9)
60–89.9Mildly ↓ GFR89 (21.5)158 (38.2)
30–59.9Moderate ↓ GFR32 (7.7)70 (16.9)
45–59.9Mild to moderate ↓ GFR32 (7.7)38 (9.2)
30–44.9Moderate to severe ↓ GFR32 (7.7)
  1. GFR glomerular filtration rate
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