Ferritin at the begining level Ferritin at the ending level  p**
Control 4406.8 ± 2414.3 3597.6 ± 2163.8 0.00
Study 4654.2 ± 1845.3 3147.8 ± 1245.4 0.00
P* 0.227 0.957  
* Mann-Whitney U ** Wilcoxon test
Table 4: Ferritin levels in patients with thalassemia major.