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目的了解兰州市城区学龄前儿童的碘营养状况。方法按照东、西、南、北、中抽取兰州市城区5所幼儿园,每所幼儿园随机抽取150名儿童,对其进行神经心理发育商(DQ)、甲状腺体积、体格发育状况、尿碘及儿童食堂食用盐碘、饮用水碘的测查,并进行相关分析。结果兰州市城区学龄前儿童的平均DQ为110.01±10.00,较理论值高5个发育商值,且分布呈右偏态,不同性别学龄前儿童DQ的差异有统计学意义(P<0.05);尿碘中位数161.59μg/L,尿碘小于20μg/L的样品比例为2.1%;体格发育正常者为94.67%;甲状腺触诊肿大率9.3%;5所幼儿园儿童食堂精制碘盐食用率达100%。结论兰州市城区学龄前儿童智力及体格发育正常,碘营养状态适宜。
Objective To understand the iodine nutrition status of preschool children in Lanzhou city. Methods According to the east, west, south and north, five kindergartens in Lanzhou city were sampled. 150 children were randomly selected in each kindergarten, and their neuropsychological development quotient (DQ), thyroid volume, physical development status, urinary iodine and children Canteen food salt iodine, drinking water iodine test, and make relevant analysis. Results The average DQ of preschool children in urban area of Lanzhou City was 110.01 ± 10.00, which was 5 higher than the theoretical value. The distribution was right skewed. The difference of DQ between different sex preschool children was statistically significant (P <0.05). Urinary iodine median 161.59μg / L, urinary iodine less than 20μg / L sample ratio was 2.1%; normal physical development was 94.67%; thyroid palpation swelling rate 9.3%; 5 kindergarten children canteen refined iodized salt consumption rate Up to 100%. Conclusion The mental and physical development of preschool children in Lanzhou City is normal and the iodine nutrition status is appropriate.