Table 1.

Prevalence of mutant alleles by gender

Allele type	Female (%) N = 709	Male (%) N = 728
Wild	281 (39.6)	436 (59.9)
202A-(H)	50 (7.1)	-
202A-(M)	2 (0.3)	24 (3.3)
968 (H)	24 (3.4)	-
968 (M)	4 (0.6)	26 (3.6)
542 (H)	18 (2.5)	-
542 (M)	2 (0.3)	12 (1.7)
Others*	328 (46.3)	230 (31.6)

M = Mutant, H = Heterozygote.

*Including single, double and triple mutations (see Table 2).