Red Blood Cell Alloimmunization and Autoimmunization in Blood Transfusion-Dependent Sickle Cell Disease and β-Thalassemia Patients in Al-Ahsa Region, Saudi Arabia

Table 1

Sociodemographic characteristics of β-thalassemia and sickle cell disease patients in Al-Ahsa Region, Saudi Arabia.

	β-thalassemia		Sickle cell disease
	Number	%	Number	%
Sex
M	12	35	7	53.8
F	22	65	6	46.2
Age
<17	4	12	2	17
17–24	9	26	3	17
25–45	20	59	7	50
46–60	1	3	1	17
>60	0	0	0	0
Total	34	11.97	13	16.7