Table 3.

VDR gene Fok1 polymorphism genotype and allele distribution among cases and controls.

	Cases (n = 50)	Controls (n = 50)	P-value	OR	95%CI
Fok1 genotypes; n (%)
F/F	20 (40)	36 (72)	Reference	Reference	Reference
F/fa	24 (48)	13 (26)	0.006∗	3	1–8
f/fb	6 (12)	1 (2)	0.03∗	10	1–97
Fok1 alleles; n (%)a
F	64 (64)	85 (85)	0.001∗	3	2–6
f	36 (36)	15 (15)

Statistical analysis: a; chi square test, b; fisher's exact test.

*Significant at P ≤ 0.05.

95%CI, 95% confidence interval; OR, odds ratio; VDR, vitamin D receptor.