Prevalence of thalassaemia in schoolchildren in north-eastern Badia, Jordan.

The prevalence of the different types of thalassaemia and that of iron deficiency anaemia was investigated in 1020 schoolchildren (age range: 6-15 years) from the north-eastern Badia region of Jordan. beta-thalassaemia minor was the most prevalent (3.04%), followed by alpha 2-thalassaemia (2.06%). Only three cases of alpha 1-thalassaemia and one case of beta-thalassaemia major were found. Iron deficiency anaemia was diagnosed in 54 children (5.3%) (33 males, 21 females). The mean values of the blood characteristics of the normal, haemoglobinopathic and iron-deficient children were examined and compared.