Objective To evaluate the accuracy of two parameters,fasting urine iodine exection and the daily urine iodine excretion estimated after creatinine correction of the fasting value.

• 目的研究晨尿的尿碘含量及其肌酐校正的每日尿排碘量与碘摄入量的相关关系,探讨准确反映机体碘摄入量的指标。