2011•Zhonghua neifenmi daixie zazhiRequires access
A survey on reference ranges for serum pituitary-thyroid hormones of 2-6 years old healthy Chinese children in Hangzhou
Zhuo Guang-chao, Hao Wang
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Abstract
Serum concentrations of TSH, total and free thyroxine, and total and free triiodothyronine in 592 healthy children aged 2-6 years were determined by means of ADVIA Centaur. The normal reference ranges were calculated. The reference ranges of TSH, T3, T4, FT3, and FT4 were 1.09-4.60 mIU/L, 1.17-1.95 μg/L,57.43-99.60 μg/L, 5.35-7.50 pmol/L, 13.96-19.70 pmol/L, respectively. There was no significant difference in the interval of thyroid hormones between males and females as well as among different age groups.
Key words:
Thyroid-stimulating hormone ; Thyroxine ; Free triiodothyronine ; Reference intervals ; Children