查询词典 youden

When different indicators were combined, enhancement pattern and enhancement speed showed the best diagnostic results; however, the Youden index was not improved.

把不同的诊断指标进行组合后，增强模式与增强速度的组合诊断价值最高，但其Youden指数并没有得到提高。

Methods The Youden's index and the percentage of plots which were correctly identified were calculated from the questionnaires.

采用问卷调查的形式，计算准确度、正确指数（Youden's index）等指标。

Results The sensitivity of Cox-2 protein、Survivin protein and urinary cytology was 88.3%、68.3%、21.7% respectively, the specificity was 93.3%、80.0%、100% respectively,and the Youden index was 81.6%、48.3%、21.7% respectively.

结果 尿Cox-2蛋白、尿Survivin 蛋白和尿脱落细胞学的敏感性分别为88.3%，68.3%，21.7%；特异性分别为93.3%、80.0%和100%；Youden指数分别为81.6%、48.3%和21.7%。

Results: Concerning MPV and PDW indices, sensitivity, specificity, positive prognostic value, negative prognostic value, efficiency and Youden index were 100% for the diagnosis of ITP.

结果：MPV and PDW在诊断ITP中的敏感度，特异度，阳性预测值，阴性预测值，效率以及Youden指数均为100%，而P-LCR的这些指标则低的多，其差异有统计学意义。

For screening DR with high threatening of vision loss, the sensitivity of direct funduscopy and nonmydriatic fundus photography was 65.5% and 93.1%; the specificity was 94.7% and 97.4%; Youden index was 60.3% and 90.5%, and the kappa value was 39.1% and 61.2%, respectively.

在检出有高度视力丧失危险的DR结果中，直接眼底镜检查和免散瞳眼底照相的敏感性分别是65.5%、93.1%，特异性分别是94.7%、97.4%，Youden指数分别是60.3%、90.5%，卡帕检验的一致性分别是39.1%、61.2%。

Methods 224 patients with liver biopsy and a positive HBsAg were included in this study. The AUROC of AST、ALT、AST/ALT and APRI were identified by using receiver operating characteristic curves. Sensitivity, specificity, positive and negative predictive values, and Youden Index of APRI at optima cut-off were calculated.

调查224名乙肝表面抗原阳性的乙肝患者，利用ROC曲线分析AST、ALT、AST/ALT和APRI的面积，判断APRI的最优截断点并计算不同标准的灵敏度、特异度、阳性预测值、阴性预测值、Youden指数。

RESULTS: For screening DR, the sensitivity of direct funduscopy and nonmydriatic fundus photography was 63.4% and 86.8%; the specificity was 76.9% and 92.3%; Youden index was 41.1% and 79.1%, and the kappa value was 41.9% and 80.7%, respectively.

结果：在检出DR的结果中，直接眼底镜检查和免散瞳眼底照相的敏感度分别是63.4%、86.8%，特异度分别是76.9%、92.3%，Youden指数分别是41.1%、79.1%，卡帕检验的一致性分别是41.9%、80.7%。

In the testing of the effect of warning, diagnostic effciency was 92.5%, senstivity was 92.31%,specificity was 95.12%, diagnostic availablity was 87.45%, Youden index was 87.43%. The results was satisfactory.

在测试螺锥的报警效应中，测得预警螺锥的诊断效率为92.5%，灵敏度为92.31%，特异度为95.12%，可用度为87.45%，Youden指数为87.43%，均达到了满意的效果。

Three kinds of intra-laboratory quality control tests of RIA for serum insulin and C-peptide,i.e.monitoring by quality control serum,by two-sample Youden plotting and by standard curve parameter are described in the present paper.

本文介绍了胰岛素、C肽RIA检测中的三种室内质控方法，即质控血清监测法，两样本Youden图监测法和标准曲线参数监测法，并对其结果做了初步分析。

Results In 30 sera with anti-Toxoplasma IgM antibodies and 28 with IgG antibodies, the sensitivity for IgM and IgG antibody detection was 90.0%（27/30） and 85.7%（24/28） respectively, the specificity was all 100% in examining 40 healthy control sera, and the Youden index was 0.9 and 0.86 respectively.

结果 用免疫印迹试剂盒检测30份弓形虫IgM和28份IgG阳性血清，敏感性分别为90.0%（27/30）和85.7%（24/28），40份健康对照者血清的弓形虫IgM和IgG抗体均为阴性，特异性均为100%，Youden指数分别为0.9和0.86。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。