Serum thyroglobulin before and after iodization of salt: an 11-year DanThyr follow-up study

Research output: Research - peer-reviewJournal article – Annual report year: 2015

DOI

  • Author: Krejbjerg, Anne

    Aalborg University, Denmark

  • Author: Bjergved, Lena

    Capital Region of Denmark, Denmark

  • Author: Pedersen, Inge Bulow

    Aalborg University, Denmark

  • Author: Carlé, Allan

    Aalborg University, Denmark

  • Author: Knudsen, Nils

    Bispebjerg University Hospital, Denmark

  • Author: Perrild, Hans

    Bispebjerg University Hospital, Denmark

  • Author: Ovesen, Lars

    Slagelse Hospital, Denmark

  • Author: Rasmussen, Lone Banke

    National Food Institute, Technical University of Denmark, Mørkhøj Bygade 19, 2860, Søborg, Denmark

  • Author: Laurberg, Peter

    Aalborg University, Denmark

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Our objective was to investigate individual serum thyroglobulin (Tg) changes in relation to iodine fortification (IF) and to clarify possible predictors of these changes. We performed a longitudinal population-based study (DanThyr) in two regions with different iodine intake at baseline: Aalborg (moderate iodine deficiency (ID)) and Copenhagen (mild ID). Participants were examined at baseline (1997) before the mandatory IF of salt (2000) and again at follow-up (2008) after IF. We examined 2465 adults and a total of 1417 participants with no previous thyroid disease and without Tg-autoantibodies were included in the analyses. Serum Tg was measured by immunoradiometric method. We registered participants with a daily intake of iodine from supplements in addition to IF. Overall, the follow-up period saw no change in median Tg in Copenhagen (9.1/9.1 μg/l, P=0.67) while Tg decreased significantly in Aalborg (11.4/9.0 μg/l, P
Original languageEnglish
JournalEuropean Journal of Endocrinology
Volume173
Issue number5
Pages (from-to)573-581
Number of pages9
ISSN0804-4643
DOIs
StatePublished - 2015
CitationsWeb of Science® Times Cited: 3
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