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亚临床甲状腺功能减退症(亚甲减)诊断主要依赖于实验室的生化结果,是指以临床无症状或症状轻微、患者血清中促甲状腺激素(TSH)水平升高而游离甲状腺素(FT4)水平正常为基本特征的临床状态。我国人口普查显示[1],随着血清促甲状腺激素放射免疫测定TSH技术的不断改进,亚临床甲减的检出率随年龄增加呈现明显上升趋势,一般在1%～6%,老年人与女性多见。美国第三次全国健康及
Clinical diagnosis of subclinical hypothyroidism (hypothyroidism) mainly depends on laboratory biochemical results, refers to the clinical asymptomatic or mild symptoms, serum thyroid stimulating hormone (TSH) levels in patients with elevated thyroxine (FT4) Normal level of the basic characteristics of the clinical status. China’s population census shows [1], with the serum thyroid hormone radioimmunoassay TSH technology continues to improve, the detection rate of subclinical hypothyroidism showed a clear upward trend with age, usually in 1% to 6%, the elderly and Female more common. U.S. Third National Health and