[Retracted] Changes of Serum Ferritin, Hemoglobin, and Serum Iron (SI) and Treatment Effect of Iron Proteinsuccinylate Oral Solution Combined with Vitamin A and D Drops on Children with Nutritional Iron Deficiency Anemia

Figure 2

Comparison of SF levels between the two groups of children before and after treatment. Note: The abscissa represents the groups, and the ordinate represents the SF level of patients. indicated that there was a significant difference in the SF levels of children in the control group before treatment ( μg/L) and after treatment ( μg/L; and ). indicated that there was a significant difference in the SF levels of children in the observation group before treatment ( μg/L) and after treatment ( μg/L; and ). indicated that there was a significant difference in the SF levels of children in both groups after treatment ( and ).