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Total cost and cost reduction (USD) as a function of correlation between ESA and IV iron.
Note: For the cost-reduction model, it was assumed that ferric citrate reduced ESA usage by 20% and IV iron usage by 40%.
Abbreviations: ESA, erythropoietin-stimulating agent; IV, intravenous; q1, 25th percentile, q3, 75th percentile.
