Methods:34 subclinical hypothyroidism patients were treated by low dose of levothyroxine, the serum lipids and the symptoms after treatment were compared with that before treatment.

• 方法:对34例亚临床甲状腺功能减退患者,给予小剂量左旋甲状腺素治疗,比较治疗前后患者的临床症状和血脂变化。