Proportion of patients with IDA and ID before and after FCM infusion. In total, 44 of 101 patients had IDA prior to FCM infusion, with 15 patients following infusion. Fifty seven of 101 patients had ID prior to FCM infusion, with 12 patients following infusion. IDA, iron deficiency anemia; ID, iron deficiency; FCM, ferric carboxymaltose.