スペインにおける甲状腺機能障害の集団ベースの全国発生率
Silvia Patricia Alonso1,2, Natalia Colomo3,4,5,6, Ana Lago-Sampedro7,8,9
1Department of Endocrinology and Nutrition, Hospital Costa del Sol. Marbella (Málaga), Marbella, Spain.
Scientific reports
|December 19, 2025
まとめ
この研究は、スペインにおける甲状腺機能障害の発生率を明らかにし、甲状腺機能低下症は1000人年あたり13.38人に影響します。女性および甲状腺刺激ホルモン(TSH)レベルの上昇は、甲状腺機能低下症の主な危険因子です。
科学分野:
- 内分泌学
- 疫学
- 公衆衛生
背景:
- 甲状腺機能障害は一般的な健康問題であるが、地理的な発生率データは限られている。
- 発生率と危険因子を理解することは、公衆衛生戦略にとって極めて重要である。
研究 の 目的:
- 成人スペイン人集団における甲状腺機能障害の発生率を決定すること。
- 甲状腺機能障害の発症に関連する因子を特定すること。
主な方法:
- 1,629人の甲状腺正常成人を対象とした全国規模の観察的集団ベースコホート研究。
- ベースライン評価(2008-2010年)と追跡評価(2016-2017年)。
- 危険因子および予測カットオフの特定のための多変量ロジスティック回帰およびROC分析。
主要な成果:
- 甲状腺機能低下症の発生率:1000人年あたり13.38人(TSH≧5 mIU/mL)および1000人年あたり6.78人(TSH≧10 mIU/mL)。
- 甲状腺機能亢進症の発生率:1000人年あたり2.65人。
- 甲状腺機能低下症の独立した予測因子:女性、年齢(30〜40歳、60歳以上)、TSH受容体抗体(TPOAb)の上昇(>20 mIU/L)、およびTSH(>2.8 mIU/mL)。
結論:
- この研究は、スペインにおける甲状腺機能障害の重要な発生率データを提供する。
- 女性、年齢、特定のTPOAbおよびTSHレベルを含む主要な危険因子を特定した。
- 発生甲状腺機能低下症のTPOAb(9.1 mIU/L)およびTSH(2.03 mIU/mL)の予測カットオフを確立した。
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