Table 7.

Distribution of suspected cases and detected mutations in the different ethnic groups

Ethnic groups	VNS			BHR			JHD			CHG			Total
	Total	Suspa	Mutb	Total	Susp	Mut	Total	Susp	Mut	Total	Susp	Mut	Total	Susp (%)	Mut (%)
ST	6	2	2	5	0	0	184	91	29	103	66	58	298	159 (53)	89 (30)
SC	119	36	13	67	17	9	117	47	7	22	9	9	325	109 (34)	38 (12)
Others	418	145	38	159	35	16	210	53	17	102	51	30	889	284 (32)	101 (11)
Total	543	183	53	231	52	25	511	191	53	227	126	97	1,512	552 (37)	228 (15)

^a‘Suspected cases’ in whom mutations were analysed

^bMutants (β, α or HbS/E) in each ethnic group from an area