The relationship between urinary iodine concentration and papillary thyroid cancer: A systematic review and meta-analysis

Autor: Xueqi Zhang, Fan Zhang, Qiuxian Li, Renaguli Aihaiti, Chuyao Feng, Deshi Chen, Xu Zhao, Weiping Teng
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Frontiers in Endocrinology, Vol 13 (2022)
Druh dokumentu: article
ISSN: 1664-2392
DOI: 10.3389/fendo.2022.1049423
Popis: BackgroundThe effect of iodine on papillary thyroid cancer (PTC) has been controversial for many years. Since urinary iodine is an effective indicator of iodine intake, some recent epidemiological studies have described the relationship between urinary iodine concentration (UIC) and PTC.MethodsWe searched PubMed, Embase, Cochrane Library, and Web of Science for case-control studies about UIC and PTC published before September 2022. Results are presented as the overall odds ratio (OR) and 95% confidence intervals (CI).ResultsAccording to the analysis of the included studies, excessive iodine intake (UIC≥300ug/L) was positively associated with the occurrence of PTC patients compared with healthy controls (OR4.05, 95%CI 1.64-10.02, P=0.002). Meanwhile, adequate iodine exposure (100≤UIC
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