Sentences with phrase «because of false positive results»

They suggest most women in their 40s should not have routine mammograms because the tests may cause more harm than good because of false positive results (follow - up testing proves negative for cancer).

Not exact matches

Because only about 16 in every 100,000 people end their own lives, a test with such a level of accuracy will give many false positive and false negative results if used on the general population.

Because ovarian cancer is relatively rare, occurring in approximately one out of every 2,500 women, a test with only 99 percent specificity would result in false - positive diagnoses for 25 women, leading to unnecessary and risky surgeries and procedures.

Vexing to doctors, the great majority of positive results are false, not because the tandem mass spec or the other assays have made errors but because certain babies are «borderline normal.»

It is clear, however, that evidence of an excess of amino acid substitutions (at least from site - by - site tests) is no longer a sufficiently convincing demonstration of selection, not only because a high ratio could result from selection on synonymous mutations rather than positive selection on proteins [5], but also because there is potentially a high false discovery rate of selected sites [6].

The cost of testing (and often re-testing because of false positive test results) could possibly hinder the success of a spay and neuter program.

Because the magnitude of the counter acting effects depends on the degree of non-linearity, the rms of the residuals to a linear fit, the length of the trend and the temporal auto - correlation of the «weather noise», it is difficult to generalize whether the method will generally result in too many false positives or negatives.

3 studies that assessed screening showed limited ability to predict future maltreatment because of high false positive results.