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The characteristics of iodine nutrition status in China after 20 years of USI: an epidemiology study covering 31 provinces.

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机构: [1]Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Disease, The First Hospital of China Medical University, Shenyang, P.R. China. [2]Department of Endocrinology and Metabolism, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, P.R. China. [3]Department of Endocrinology, The First Hospital of Shanxi Medical University, Taiyuan, P.R. China. [4]Department of Endocrinology, Qinghai Provincial People’s Hospital, Xining, P.R. China. [5]Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, P.R. China. [6]Department of Endocrinology, Chinese PLA General Hospital, Beijing, P.R. China. [7]Department of Endocrinology, Southwest Hospital, Third Military Medical University, Chongqing, P.R. China. [8]Department of Endocrinology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, P.R. China. [9]Department of Endocrinology, Cardiovascular and Cerebrovascular Disease Hospital of Ningxia Medical University, Yinchuan, P.R. China. [10]Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Nanchang University, Nanchang, P.R. China. [11]Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, P.R. China. [12]Department of Endocrinology, Hohhot First Hospital, Hohhot, P.R. China. [13]Department of Endocrinology and Metabolism, The Second Xiangya Hospital, Central South University, Changsha, P.R. China. [14]Research Center of Endocrine and Metabolic Diseases, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, P.R. China. [15]Department of Endocrinology and Metabolism, Fujian Institute of Endocrinology, Fujian Medical University Union Hospital, Fuzhou, P.R. China. [16]Division of Endocrinology, Department of Internal Medicine, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, P.R. China. [17]Department of Endocrine, First Affiliated Hospital of Guangxi Medical University, Nanning, P.R. China. [18]Department of Endocrinology, Hainan General Hospital, Haikou, P.R. China. [19]Department of Endocrinology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shannxi P.R. China. [20]Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P.R. China. [21]Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, P.R. China. [22]Department of Endocrinology and Metabolism, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, P.R. China. [23]Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, P.R. China. [24]Department of Endocrinology, Shanghai University of Medicine & Health Science Affiliated Zhoupu Hospital, Shanghai, P.R. China. [25]Department of Endocrinology, The First Hospital of An Hui Medical University, Hefei, P.R. China. [26]Department of Endocrinology, The First People’s Hospital of Yunnan Province, Kunming, P.R. China. [27]Department of Endocrinology and Metabolism, People’s Hospital of Tibet Autonomous Region, Lhasa, P.R. China. [28]Department of Endocrinology and Metabolism, Affiliated Hospital of Guiyang Medical University, Guiyang, P.R. China. [29]Department of Endocrinology, Second Hospital of Hebei Medical University, Shijiazhuang, P.R. China. [30]Department of Endocrinology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, P.R. China. [31]Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, P.R. China.
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关键词: iodine deficiency iodine excess iodized salt

摘要:
Despite the implementation of the universal salt iodization (USI) program for correction of iodine deficiency in China for about 20 years, the actual iodine nutrition status of Chinese residents and the prevalence of iodine deficiency and iodine excess are issues that need to be addressed. This nationally representative cross-sectional study was conducted across all 31 provinces of mainland China to gather extensive data on iodine nutrition status and the influential factors.This study included 78,470 participants, aged 18 years or older, who were interviewed and asked to answer a questionnaire. Urine iodine concentration (UIC) was measured by the inductively coupled plasma mass spectrometry method, and goiter was examined by thyroid ultrasonography. In addition, sixty 9 -11 years old school-children in each province were randomly selected to evaluate the UIC and thyroid ultrasonography. The iodine nutrition status was determined according to the WHO guidelines.The iodized salt coverage was 95.37%. The median urine iodine (MUI) was 177.89 μg/L (interquartile range [IQR], 117.89-263.90 μg/L) and goiter prevalence was 1.17% (95% CI, 0.95-1.43%) in the adult population. The MUI was 199.75 µg/L (IQR, 128.41-303.37 µg/L) in school-age children, and goiter prevalence was 3.50% (95% CI, 2.93-4.13%). The percentage of individuals with UIC < 50 μg/L was 3.43%, less than 20%. Analysis indicated that sex, age, geographic factors, BMI, smoking habits influence the iodine nutrition level.The mandatory USI program has successfully eliminated iodine deficiency disorders, and the findings indicate that the iodine nutrition level in the general population is within the safe range.

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出版当年[2021]版:
大类 | 2 区 医学
小类 | 2 区 内分泌学与代谢
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大类 | 1 区 医学
小类 | 1 区 内分泌学与代谢
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出版当年[2020]版:
Q1 ENDOCRINOLOGY & METABOLISM
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Q1 ENDOCRINOLOGY & METABOLISM

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第一作者机构: [1]Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Disease, The First Hospital of China Medical University, Shenyang, P.R. China.
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通讯机构: [1]Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Disease, The First Hospital of China Medical University, Shenyang, P.R. China. [*1]Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Disease, The First Hospital of China Medical University, No. 155, Nanjing Bei Street, Shenyang 110001, P.R. China [*2]Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Disease, The First Hospital of China Medical University, No. 155, Nanjing Bei Street, Shenyang 110001, P.R. China
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