Table 4.

Maternal vitamin D level & status in relation to VDR gene Fok1 polymorphism among cases.

	Fok1 genotype
	F/F (n = 20)	F/f (n = 24)	f/f (n = 6)	P-value
Maternal vitamin D level; nmol/La
Median (IQR)	31 (20–78)	21 (12–41)	11 (7–17)	0.000∗
Min-Max	10–78	10–52	6.5–17
Maternal Vitamin D status; n (%)b
Deficient (n = 24)	2 (8.3)	16 (66.7)	6 (25)	0.000∗
Insufficient (n = 17)	9 (52.9)	8 (47.1)	0 (0)
Inadequate (n = 6)	6 (100)	0 (0)	0 (0)
Sufficient (n = 3)	3 (100)	0 (0)	0 (0)

Statistical analysis: a, Kruskal–Wallis test; b, fisher's exact test.

*Significance at P ≤ 0.05.