论文部分内容阅读
临床流行病学系列问答２５──什么是拟然比（Ｉｉｋｅｌｉｈｏｏｄｒａｔｉｏ）？试验阳性结果的拟然比为真阳性率和假阳性率之比，阴性结果的拟然比为假阴性率和真阴性率之比。已知某诊断试验的阳性拟然比及该病的患病率，就可以计算在不同患病率的情况下该试验的预测值...
Clinical Epidemiology Series Q & A 25 ── What is the Iikelihoodratio? The quasi-ratio of the test positive results is the ratio of the true positive rate to the false positive rate, and the pseudo-ratio of the negative results is the ratio of the false negative rate to the true negative rate. Knowing the positive likelihood of a diagnostic test and the prevalence of the disease, you can calculate the predicted value of the test for different prevalences ...