From: Risk factors associated with vitamin D deficiency in preterm neonates: a single-center step-wise regression analysis
Variable
Neonatal serum vitamin D level (ng/ml)
P-value
Mean ± SD
Gender
Boy
41.61 ± 18.09
0.12
Girl
51.33 ± 21.27
Delivery route
Vaginal (NVD)
51.5 ± 23.27
0.99
Cesarean section
43.25 ± 18.25