十五、预后
甲状腺激素变化的幅度和NTIS患者的预后密切相关。T3、T4、TSH水平越低，rT3水平越高，患者的预后越差。低T4可作为预测疾病及预后的指标，T4＜38.7nmol/L的患者病死率达68%～84%，多数重度低T4综合征者于2周内死亡（70%），若T4＜25.8nmol/L，1个月内全部死亡。
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