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Figure 3 Scatterplot of the Agreement Between C-G and MDRD Formulae in the Estimation of GFR

Data in the figure represent 1% of a simple random sample of 46,942 patients. Lines drawn at 60 ml/min and 30 ml/min to emphasize categorical chronic kidney disease cut points as well as the linear relationship between formulae. Line of agreement shown. CrCl = creatinine clearance; other abbreviations as in Figure 1.