Maternal PAPP-A, maternal PAPP-A combined with maternal age and paternal age, and maternal age would respectively detect 60%, 80% and 50% of Down's syndrome fetuses with a false positive rate of 5%.

当假阳性率为5%时，单项母体血清PAPP-A、单项孕妇年龄、母体血清PAPP-A联合孕妇年龄及丈夫年龄筛查唐氏综合征胎儿的灵敏度分别为60%、50%、80%。

youdao

Unfortunately, they also have a relatively high false positive rate -- enough that I need to manually examine some of the spam folders from time to time.

遗憾的是，这些过滤器的“误承认”的发生率比较高 — 以至于我不时地需要手工来检查垃圾邮件文件夹中的 某些邮件。

youdao

But this approach is crippled by a very high false positive rate - many partial matches turn up people unrelated to the actual perpetrator.

但这种方法缺陷是有极高的假配对概率：许多部分配对的结果是，配对人与实际的违法人员没有关系。

youdao

If one in 1, 000 people have a disease and the false-positive rate for a test is 5%, then the probability that a person testing positive has the disease is at most 2%.

ECONOMIST: Letters | The

Now, a new studypublished in the Archives of Internal Medicine finds that the rate of false-positive activations is higher than expected.

FORBES: All Dressed Up And No Place To Go: False-Positive Activation Of The Cath Lab For Primary PCI