Relationship between Vitamin D Receptor Gene Polymorphisms and Migraine without Aura in an Iranian Population

Table 3

Distribution of allele and genotype of FokIrs2228570 and TaqI rs731236 gene polymorphisms in the case and control groups.

	Case	Control	𝑃 value	OR (95% confidence interval)	RR (95% confidence interval)
Alleles
FokI
F	171 (83.1%)	185 (92.5%)	0.002	2.52 (1.33–4.78)	2.26 (1.27–4.01)
f	35 (16.9%)	15 (7.5%)
TaqI
T	154 (74.7%)	164 (82%)	0.038	1.53 (0.95–2.48)	1.40 (0.96–2.04)
t	52 (25.3%)	36 (18%)
Genotypes
Homozygote (FF)	68 (66.1%)	85 (85%)	0.001	2.91 (1.47–5.77)	2.26 (1.32–3.88)
Heterozygote (Ff)	35 (33.9%)	15 (15%)
Homozygote (TT)	51 (49.6%)	64 (64%)	0.018	1.81 (1.03–3.18)	1.40 (1.01–1.93)
Heterozygote (Tt)	52 (50.4%)	36 (36%)

OR: odds ratio, RR: relative risk.