Table 2 Ethnicity.

Mutations	Caucasian	Maghrebian	Mediterranean	Native African	Indian	Total
Group A	28	3	2	1	NR	34
Group C	1	9	1	2	NR	13
Group B	27	4	5	NR	1	37
Total	56	16	8	3	1	84

NR, not reported.