TABLE 4.

Allele frequency of α-thal in individuals of Yangjiang region.

Mutation	HGVS name	Phenotype	Allele (n)	Frequency (%)
--SEA	NG_000006.1:g.26264_45564del19301	α0	3823	63.63
-α3.7	NG_000006.1:g.34164_37967del3804	α+	1174	19.54
-α4.2	AF221717	α+	449	7.47
αWS	HBA2:c.369C>G	α+	214	3.56
αQS	HBA2:c.377T>C	α+	150	2.50
αCS	HBA2:c.427T>C	α+	198	3.30
Total			6008	100