highly significantp < 0.0001
No significant difference was observed in age and gender between the two groups ( p > 0.05 and p = 0.15, respectively). Among the RBC indices, the RDW level was higher and was highly significant in the PD group than in the control group (16.56 ± 2.32 vs. 15.12 ± 2.43; p < 0.0001).