Table 2.

Cord Blood Serum 25(OH)D levels by neonatal variables.

Neonatal characteristic's	(n)	Cord Blood 25(OH)D levels (ng/ml)	p value (for paired values)
All	342	12.088 (3.349, 31.1–5.1)
Sex
Male	184	11.923 (2.877, 21.1–7.0)
Female	158	12.28 (3.828, 31.1–5.1)	p = 0.337
Period of gestation
Term	279	12.075 (3.468, 31.1–5.1)
Preterm	63	12.146 (2.793, 19.1–7.9)	p = 0.8628
Birth weight
NBW	273	12.123 (3.489, 31.1–5.1)
LBW	69	11.855 (2.908, 19.1–7.6)	p = 0.475
Singleton/twins
Singleton	304	12.174 (3.432, 31.1–5.1)
Twins	38	11.405 (2.538, 16.9–7.9)	p = 0.0978