In addition, the 97.5 th percentile of TSH showed an increasing trend (3.45 mU/L, 4.36 mU/L and 5.35 mU/L) from iodine deficient to sufficient and more than adequate, respectively.
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Reference Intervals for Serum Thyroid-Stimulating Hormone Based on a Recent Nationwide Cross-Sectional Study and Meta-Analysis.
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The sentences
In the reference population, the median and 2.5 th percentile in the iodine-sufficient subgroup were both lower than the iodine-deficient or more-than-adequate subgroup, while the 97.5 th percentile showed a positive trend with increasing sufficiency of iodine.