In our study, birth weight less than 2500 g was strongly associated with deficient and insufficient Vitamin D A child with birth weight less than 2500g suffered from deficient and insufficient 23 Vitamin D 2.5 times higher than that of a child ≥2500g with p<0.05.
Trẻ có cân nặng sơ sinh < 2500g có nguy cơ thiếu vitamin D cao hơn 3,2 lần so với trẻ có cân nặng sơ sinh ≥ 2500g, với p < 0,05.