Table 3.

Vitamin D deficiency status frequency at different ages

Variables	Birth (n=96), n (%)	3 months (n=94), n (%)	9 months (n=77), n (%)
Total deficient	96 (100)	78 (83.0)	58 (75.3)
Not sufficient (ng/mL)
Severe deficient (<5)	2 (2.1)	0	0
Deficient (<15)	94 (97.9)	70 (74.5)	42 (54.5)
Insufficient (≥15-20)	0	8 (8.5)	16 (20.8)
Sufficient (≥20 ng/mL)	0	16 (17.0)	19 (24.7)
Vitamin D level (ng/mL)#	8.93 (7.8-10.2)	10.9 (9.5-16.7)	14.2 (9.4-9.2)