Table 2. Age distribution of patients with different types of thalassaemia.

Type of haemoglobinopathy	Total number of patients with recorded age	Mean (±SD) age (years)	Age range
β-thalassemia major	1177	13.2 (±7.6)	5 months– 44 years
HbE β-thalassemia	341	21.5 (±12.9)	6 months– 60 years
β-thalassemia intermedia	83	33.6 (±18.8)	4 months– 85 years
Sickle β-thalassemia	46	20.1 (±12.7)	9 months– 47 years
δβ-thalassemia	7	29.3 (±15.5)	16–60 years
β-thalassemia trait	14	36.3 (±23.7)	5–72 years