Fig. 2

The use of (A) intravenous iron and (B) blood transfusions in patients with chronic kidney disease (CKD) by insurance type. Coefficient MU: the mean difference in the monthly iron and blood transfusions. A1. Medicare CKD stages 3–5; A2. Commercially insured CKD stages 3–5. B1. Medicare CKD stages 3–5; B2. Commercially insured CKD stages 3–5