对一筛检方法的真实性的评价使用灵敏度、特异度和约登指数三个指标。①灵敏度 (sensitivity) :又称敏感度 ,是指筛检方法能将实际有病的人正确地判定为患者的比例 ;②特异度 (specificity) :是指筛检方法能将实际无病的人正确地判定为非患者的比例 ;③约登指数 (Youden’sinde The evaluation of the authenticity of a screening method uses three indicators: sensitivity, specificity, and the Youden index. 1sensitivity (sensitivity): also known as sensitivity, refers to the screening method can correctly determine the actual sick person as the proportion of patients; 2 specificity (specificity): refers to the screening method can be practically disease-free people Correctly determine the proportion of non-patients; 3 Youden’sinde