以血管造影为诊断参照标准，超声诊断颈动脉粥样硬化的敏感性、特异性、阳性预测值、阴性预测值分别为91.07%、63.64%、86.44%和73.68%。
Taking DSA as a golden standard, the sensitivity, specificity, positive predictive value, negative predictive value of carotid artery ultrasound was 91.07%, 63.64%, 86.44%, 73.68%, respectively.
该模型除可以作为参照标准对系统运行进行经济性分析外，还可能用于系统的故障诊断。
This model not only provides a reliable standard for monitoring the performance of the object system, but could also be used to diagnose the system's fault.
结论中国女性的骨质疏松诊断标准可参照日本女性标准建立。
Conclusion Japanese women's diagnostic standard of osteoporosis can be used as reference for establishing that of Chinese women.
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