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:1997～ 1998年采用免疫放射法 ( IRMA)对采自青海省城市、农业区和牧业区共计 6 90 9例新生儿脐带血 TSH进行测定。结果显示来自三个不同生活环境的新生儿脐带血 TSH值 >5 μIU/m L的比率均超过 40 %。经 χ2检验 ,城市与农业区新生儿脐血 TSH无显著性差异 ,城市与牧业区、农业区与牧业区有显著性差异 ( P<0 .0 0 5 ) ,说明青海省仍有部分新生儿受到碘缺乏的威胁
: From 1997 to 1998, a total of 6 909 newborns with cord blood TSH collected from urban, agricultural and pastoral areas in Qinghai Province were detected by immunoradiometric method (IRMA). The results showed that neonatal umbilical cord blood TSH values> 5 μIU / mL from three different living environments all exceeded 40%. There was no significant difference in umbilical blood TSH between urban and agricultural areas by chi-square test. There was a significant difference (P <0.05) between urban and pastoral areas, agricultural areas and pastoral areas, indicating that there are still some parts of Qinghai Province Neonates are threatened by iodine deficiency