youden index meaning in Chinese

约登指数

Tail length , tail moment , tail dna percentage , and correction rate were compared between the improved software and the original one , and epidemiological indices for the improved software were also calculated and analyzed , including sensitivity , specificity , youden index , crude agreement , adjusted agreement , positive predictive value , negative predictive value , positive likelihood ratio , and negative likelihood ratio . results the improved software can correctly analyze most of the images to which the original one cannot give right results
比较改进前后的尾长、尾矩、尾dna百分含量上的差异、改进前后分析正确率差异、以及改进后的软件以不同dna损伤级别为截断值判定阳性结果的灵敏度、特异度、 youden指数、粗一致性、调整一致性、阳性预测值、阴性预测值、阳性似然比和阴性似然比。