A similar strategy with focus on a high negative predictive value of successive investigations is proposed for the exclusion of HFNEF in patients with breathlessness and no signs of congestion.
上述检查相继进行具有较高的阴性预测值，因此，对那些气促但无充血体征的患者来说，可以用相似的策略来排除hfnef。
The sensitivity of ultrasound was 93% and specificity was 100% with a positive predictive value of 100% and negative predictive value of 99% for the detection of haemothorax after trauma.
超声检查对创伤后血胸诊断的敏感性为93%，特异性为100%，阳性预测值为100%，阴性预测值为99%。
Objective It is to explore the predictive value of giant negative t wave in resting electrocardiogram for the diagnosis of coronary artery.
目的探讨静息心电图巨大倒置T波在冠心病诊断中的预测价值。
Negative predictive value and positive predictive value were 89% and 79%, respectively.
阴性预测值和阳性预测值分别为89%和79%。
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.
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%。
Conclusion Symmetrical and giant negative t wave not complicating with left ventricular hypertrophy in electrocardiogram has a predictive value for coronary heart disease.
结论心电图巨大对称性倒置T波且不伴左心室肥厚对冠心病有一定的预测价值。
Especially, the high negative predictive value of fetal fibronectin sampling supports avoiding unnecessary medical intervention.
尤其是其阴性预测值高，有助于避免不必要的医学干扰。
The sensitivity, specificity, positive predictive value, and negative predictive value of the PCR assay were 95%, 97%, 82%, and 99%, respectively.
本次快速PCR检测测试的敏感性，特异性，阳性预测值，阴性预测值分别为95％，97％，82％和99％。
The positive predictive value, negative predictive value and efficiency of diagnosis were 100.00%, 95.56% and 97.59%, respectively.
诊断慢性血吸虫病的阳性预告值、阴性预告值及诊断效率分别为100.00%、95.56%和97.59%。
The predictive value of positive and negative were 98% and 94%. Conclusion MSCTA has diagnostic value in intracranial aneurysm and helpful for its screening before surgery or interventional therapy.
阳性预测值和阴性预测值分别为98%和94%。结论MSCTA对颅内动脉瘤的诊断具有较高价值，可以作为外科治疗或介入治疗颅内动脉瘤的筛选方法。
The predictive value of positive and negative were 98% and 94%. Conclusion MSCTA has diagnostic value in intracranial aneurysm and helpful for its screening before surgery or interventional therapy.
阳性预测值和阴性预测值分别为98%和94%。结论MSCTA对颅内动脉瘤的诊断具有较高价值，可以作为外科治疗或介入治疗颅内动脉瘤的筛选方法。
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