“…Several studies attributed the higher scores at younger ages to the recent onset of the disease, which led to less iron overload and thus fewer consequences (21,26). Additionally, as the patient matures, he becomes aware of the nature of his disease, undergoes more repeated blood transfusion visits, school absence, bullying at school, and obvious morphological changes result in poor self-esteem, expression of negative thoughts toward their chronic illness, leading to social withdrawal, and low social performance (27,28). Nevertheless, other studies contradicted our results and reported that age was not an effective factor in poor scoring in HRQol.…”