Deletional Alpha-Thalassemia Alleles in Amazon Blood Donors

Table 2

Overall alpha-thalassemia genotypes among the first-time blood donors from FHEMOAM (2016-2017)

Gender	α-Globin genotypes					Total
	αα/αα	−α^3.7/αα	α^3.7/α^3.7	−α^4.2	^−MED, −FIL, SEA, 20.5
Male (%)	671 (93.9)	37 (5.2)	05 (0.7)	01 (0.1)	—	714
Female (%)	264 (96.0)	9 (3.3)	02 (0.7)	—	—	275
Total (%)	935 (94.4)	46 (4.7)	07 (0.7)	01 (0.1)	—	989