Seasonal Variation in Thyroid Function in Over 7,000 Healthy Subjects in an Iodine-sufficient Area and Literature Review

• Published in: Journal of the Endocrine Society Vol. 6; no. 6; p. bvac054
• Main Authors: Yamada, Sayaka, Horiguchi, Kazuhiko, Akuzawa, Masako, Sakamaki, Koji, Shimomura, Yohnosuke, Kobayashi, Isao, Andou, Yoshitaka, Yamada, Masanobu
• Format: Journal Article
• Language: English
• Published: US Oxford University Press 01.06.2022
• Subjects: Clinical; serum TSH; ANOMTR; thyroid hormone levels; healthy Japanese; analysis of means with transformed ranks

Abstract Context Seasonal variation in thyroid function, especially serum free triiodothyronine (FT3) and free thyroxine (FT4) levels, in healthy subjects remains unclear. Methods We examined thyroid function, including serum FT3 and FT4 levels, in healthy Japanese subjects using data of more than 7...