Table 2.

Distribution of genotypes and allele frequencies for FokI polymorphism in VDR.^a

Polymorphism VDR	T2D (n = 160)		Controls (n = 160)		p-Value
	n	Frequency	n	Frequency
FokI (rs2228570 C > T)
FF	24	0.15	53	0.33
Ff	96	0.60	75	0.47
ff	40	0.25	32	0.20	< 0.001a
F	144	0.45	181	0.57
f	176	0.55	139	0.43	0.003a
Hardy–Weinberg p-value	0.056		0.487

^aChi-square. “FF” Normally show dominant homozygous genotype; “Ff” Show heterozygous genotype; “ff” show recessive homozygous genotypes.