Sentences with phrase «giving false positive results»

«Assuming that the government scientists have used the same technique as Chapella and Quist, they are using a fearsomely sensitive technique which is very prone to giving false positive results.

While there are a number of portable tests for cocaine commercially available, these are mainly based on antibody reagents, which can not offer quantitative data and — since the cocaine antibody can bind to something that is not cocaine — can give false positive results.

If you're stressed about it or have a needle phobia that can give you a false positive result.

This is because the test may give a false positive result if the kitten has been exposed to FIV through the mother, but has not caught the disease.

This Machine also has credibility problems as it has a 20 % margin of error, and it is susceptible to numerous interferents that can give false positive results.

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.

Given the lack of mortality benefit of screening, and the moderate to substantial harms that could result from false - positive screeningtest results and subsequent surgery, the USPSTF concludes with moderate certainty that the harms of screening for ovarian cancer outweigh the benefit, and the net balance of the benefit and harms of screening is negative.

«We don't really know the active ingredients; there can actually be something in a supplement that gives false positive or false negative results.»

A type I error (false positive) occurs when the combination of tests given includes so much error that the combined test result is actually wrong.

However, dogs with less than 5 adult worms may not have enough antigen to produce a positive test result, giving a false negative result.

This test can give false positive and false negative results.

Uncontrolled or poorly controlled diabetes (on rare occasions, prolonged periods of stress keep your pet's blood glucose levels high enough to give a false - positive fructosamine result for diabetes).

Given these results, the utility of the CBCL as a screening device can only be defended if the benefit of detecting a minority of cases offsets the costs of the screen coupled with the costs of false positives.