Objective To understand the levels of 25-hydroxyvitam D [25-(OH)D]of infants in Yangzhou city and to provide scientific prevention vitamin D deficiency. Methods A total of 986 infants who received physical examination in Yangzhou maternal and child care service center were recruited from August to December,2012. Results The overall level of 25-(OH)D of 986 cases were (87.33±35.77)nmol/L,without statistical significance between sexes.The detection rates of 25-(OH)D of deficiency,insufficient,preferred range were 11.4%、32.3%、56.4%,respectively.The changes of vitamin D during different seasons were not obvious in infants,but it was important of 1~2 h/d outdoor activities and regular use of vitamin D. Conclusion The status of vitamin D of infants in Yangzhou is not optimistic,it is necessary to enhance education of vitamin D deficiency and to supervise systemically about activities in outdoor and vitamin D use.
Key words
infants /
25-hydroxyvitam D /
rickets
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