Group P value Thalassemia Cases (N=60) Controls (N=36) Urinary Iodine(mcg/dl) 43.62 ± 14.766 120.81 ± 33.844 <0.001 ٭ FT3(pg/ml) 1.397 ± 0.2668 2.403 ± 0.6984 <0.001 ٭ FT4(ng/ml) 0.808 ± 0.1239 1.358 ± 0.2999 <0.001 ٭ TSH(uIU/L) 14.173 ± 9.8638 2.797 ± 1.1103 <0.001 ٭ Ferritin(ng/ml)   1670.30 ± 823.717 157 ± 96.2 <0.001 ٭

Table 2: Comparison of thyroid function and urinary iodine between Thalassemia patients and control group.