Bone Marrow Iron, Iron Indices, and the Response to Intravenous Iron in Patients With Non-Dialysis-Dependent CKD

Half the anemic patients with CKD stages 3-5 had depleted iron stores. Peripheral-iron indices and erythropoietic response had equivalent, but limited, utility in identifying depletion of bone marrow iron stores. Use of these indices to indicate depletion of iron stores should be reconsidered.