Table 3.

Genotyping of β-thalassemia in Putian

	Genotype	Number of cases(n)	Constituent ratio (%)
Common β-thalassemia	βIVS−II−654/βN	394	48.76
	βCD41–42/βN	221	27.35
	βCD17/βN	84	10.40
	β−28/βN	41	5.07
	βCD26/βN	36	4.46
	βCD27–28/βN	7	0.87
	βCD71–72/βN	4	0.50
	βInt/βN	3	0.37
	βCD43/βN	3	0.37
	βCap+40–43/βN	2	0.25
	βCD17/βIVS−II−654	1	0.12
	β−29/βN	1	0.12
	βCD41–42/βCD17	1	0.12
	βCD41–42/β−28	1	0.12
	βIVS−I−5/βN	1	0.12
	βCD14–15/βN	1	0.12
Rare β-thalassemia	HBB: c.92G > T	2	0.25
	HBB: c.91 A > G	1	0.12
	HBB: c.170G > A	1	0.12
	HBB: c.113T > A	1	0.12
	HBB: c.341T > A	1	0.12
Total		807	100.00