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Figure 1 (A) Distribution of glomerular filtration rate (GFR) in the Study Of Left Ventricular Dysfunction (SOLVD). Mean is 70 ml/min/1.73 m², with a standard deviation of 19.3 and n is 6,630. A total of 6.8% of patients had a GFR of <45 ml/min/1.73 m², 25% between 45 ml/min/1.73 m² to 60 ml/min/1.73 m², 32.1% between 60 to 75 ml/min/1.73 m², 21.7% between 75 to 90 ml/min/1.73 m² and 14.4% >90 ml/min/1.73 m². (B) Distribution of hematocrit in SOLVD. Mean is 43; SD is 4.49 and n is 6,563. A total of 4.3% of the patients have a hematocrit <35%, 17.5% between 35 and 39, 51.7% between 40 and 45, 23.1% between 45 and 50 and 3.3% > 50.