TABLE 3.

Total frequency of ααα^anti3.7 in this study and other populations including hemoglobinopathies and normal individuals

Population	Individuals studied	Genotype frequency of αααanti3.7 (%)	References
Turkish	225	5 (2.2%)	[33]
Saudi Arabian	104	4 (3.9%)	[34]
Omani	634	3 (0.47%)	[35]
North Indian	419	13 (3.1)	[24]
Indian	1253	15 (1.1)	[21]
Dutch	3500	42(1.2%)	[10]
Mexican	109	11 (10%)	[20]
Iranian	4010	69 (1.7%)	[14]
Iranian	1700	20 (1.2%)	[19]
Our study	6404	84 (1.31%)