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Urinary iodine and sodium status of urban Korean subjects: a pilot study.

Authors
 Jonghyeon Choi ; Hyo-Sik Kim ; Jeong-Ho Kim ; Hyunsun Lim ; Duck Jin Hong 
Citation
 Clinical Biochemistry, Vol.45(7-8) : 596~598, 2012 
Journal Title
 Clinical Biochemistry 
ISSN
 0009-9120 
Issue Date
2012
Abstract
OBJECTIVES: We estimated iodine status of Korean population by determining the concentration of spot urinary iodine (UI) with a reliable method based on the Sandell-Kolthoff reaction. MATERIALS AND METHODS: A total of 540 urine samples from apparently healthy subjects were collected, and UI, urinary sodium (UNa), and urinary creatinine (UCr) were determined from those samples and analyzed with age. RESULTS: There were significant decreases in either UI (P<0.0001), UI/UCr ratio (P=0.0001), UNa (P<0.0001), or UNa/Cr ratio (P=0.0001) in younger subjects than older ones. The median value of UI was 267.6 μg/L, but the median UI of the younger group (191.8 μg/L) was significantly decreased compared to that of the older group (383.9 μg/L). CONCLUSIONS: This study showed that the median of UI in Korean urban population was in a more than adequate iodine nutritional state, but UI was significantly different between the younger age group and the older age group.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90006
DOI
10.1016/j.clinbiochem.2012.02.018
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Laboratory Medicine
Yonsei Authors
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Link
 http://www.sciencedirect.com/science/article/pii/S0009912012000951
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