Research Article

Blood Transfusion, Serum Ferritin, and Iron in Hemodialysis Patients in Africa

Figure 2

Serum ferritin levels in (1) patients with zero or one transfusion under no iron therapy; (2) patients with zero or one under iron therapy; (3) polytransfused patients under no iron therapy; (4) polytransfused patients under oral iron therapy. The star () marks significant differences between groups. value of 0.0001; value of 0.001; value < 0.05.