The prevalence of anemia in patients with chronic kidney disease

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Abstract
SUMMARYObjective: Anemia is a complication of chronic kidney disease and may contribute to adverse clinical outcomes. Early identification and treatment of anemia may improve cardiovascular morbidity and mortality. No large-scale population data are available specifically for patients with chronic kidney disease regarding prevalence of anemia, subpopulations at risk, and relationships between anemia and kidney function. This study was undertaken to address these questions in patients with chronic kidney disease, and investigate the relationship between anemia and glomerular filtration rate.Research design and methods: Large-scale, cross-sectional, US multicenter survey; 5222 patients (mean age, 68.2 years; 46.6% male); 237 physician practices. Eligible patients: ≥ 18 years of age; serum creatinine: 1.5 mg/dL–6.0 mg/dL (females), 2.0 mg/dL–6.0 mg/dL (males).Main outcome measures: Primary study end point: prevalence and severity of anemia (hemoglobin ≤ 12 g/dL). Data further stratified by hemoglobin (≤ 12 g...