The establishment of serum 25-hydroxyvitamin D reference intervals in children aged 0–14 years in Zigong area, China

Table 1 Comparison of serum 25(OH)D levels in the same age groups between sex

Age	Sex	No	25(OH)D (ng/ml)	P value
< 6 months	Male	48	78.79 ± 31.12	0.125
< 6 months	Female	26	90.12 ± 27.75	0.125
6 ~ 11 months	Male	132	71.94 ± 24.07	0.320
6 ~ 11 months	Female	101	72.68 ± 26.56	0.320
1 ~ 2 years	Male	320	68.50 (54.43, 87.18)	0.737
1 ~ 2 years	Female	226	66.80 (54.65, 87.05)	0.737
3 ~ 5 years	Male	223	38.70 (29.50, 56.50)	0.099
3 ~ 5 years	Female	142	44.15 (31.60, 62.60)	0.099
6 ~ 9 years	Male	180	26.90 (21.43,42.23)	0.852
6 ~ 9 years	Female	135	26.40 (22.70, 38.00)	0.852
10 ~ 14 years	Male	120	21.65 (17.53, 31.33)	0.002
10 ~ 14 years	Female	106	25.95 (19.93, 42.03)	0.002

ISSN: 1880-6805