Analysis of 25-hydroxy vitamin D levels in children aged 0 to 14 years old in Guangzhou city.

ZHANG Ping-ping; LI Ya-ting; LI Xiao-feng; LI Zhi-biao; CHEN Zhuang-gui.

doi:10.11852/zgetbjzz2014-22-08-23

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Chinese Journal of Child Health Care ›› 2014, Vol. 22 ›› Issue (8) : 856-858. DOI: 10.11852/zgetbjzz2014-22-08-23

Analysis of 25-hydroxy vitamin D levels in children aged 0 to 14 years old in Guangzhou city.

ZHANG Ping-ping, LI Ya-ting, LI Xiao-feng, LI Zhi-biao, CHEN Zhuang-gui.

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Abstract

Objective To investigate the nutritional status of vitamin D in children of 0~14 years old for providing reasonable scientific basis of vitamin D supplement for children in Guangzhou. Method ELISA was used to detect serum levels of 25-hydroxy vitamin D[25-(OH)D] in 1 000 children who received physical examination in child health care department of the hospital. Results A total of 634 children were found with deficiency and insufficiency of 25-(OH)D (63.4%), and 366 children were sufficiency of 25-(OH)D (36.6%).The 25-hydroxy vitamin D levels in aged 0~1 and 1~2 groups were much higher than that in the other groups, and the serum 25-(OH)D level decreased with age in children over 2-years old.Serum 25-(OH)D level had statistically significant difference between boys and girls aged 7~14, but no significant difference in aged 0~7.According to seasons, the order of the serum 25-(OH)D level was summer＞autumn＞spring＞winter.97 Children were deficiency or insufficiency of 25-(OH)D in winter (70.29%), which was much higher than that in other seasons(P＜0.05). Conclusion Vitamin D deficiency or insufficiency of children is common in Guangzhou, especially in winter and older children.

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25-hydroxy vitamin D / vitamin D / children

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ZHANG Ping-ping, LI Ya-ting, LI Xiao-feng, LI Zhi-biao, CHEN Zhuang-gui.. Analysis of 25-hydroxy vitamin D levels in children aged 0 to 14 years old in Guangzhou city.[J]. Chinese Journal of Child Health Care. 2014, 22(8): 856-858 https://doi.org/10.11852/zgetbjzz2014-22-08-23

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