Sentences with phrase «of a false positive result in»

Used in conjunction with mammography, imaging based on nuclear medicine is currently being used as a successful secondary screening alongside mammography to reduce the number of false positive results in women with dense breasts and at higher risk for developing breast cancer.

If a kitten is under 16 weeks of age and tests positive for FeLV, a re-test is recommended 3 - 4 weeks later due to the increased risk of a false positive result in young kittens.

Not exact matches

Specifically, the task force says the «harms and costs of false - positive results, over diagnosis and overtreatment» outweigh any «significant reductions in the relative risk of death from breast cancer.»

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).

A new genetic test that analyzes the free DNA floating in a pregnant woman's blood was proven to be more effective at predicting chromosomal disorders compared with standard screening tests, due to its much smaller incidence of false - positive results.

This study leaves open the question of whether the green tea tested in this study is contaminated with gluten or if something in the green tea is causing false positive results.

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.

That will tell us if the problem of false - positive results in the psychology journals is big, small or non-existent.

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.

Results of a multi ‐ center clinical study found a 31 percent reduction in unnecessary biopsies due to false ‐ positives as a result of using the phi test.1

«Such a high rate of a false positives in this particular study was unexpected,» says Tandy - Connor, who believes that some of the discrepancies in the results can be explained by technical differences between the various testing methods used.

«As we look at lessons learned from this outbreak, the high false - positive screening rate and other delays in diagnosis may have resulted in unprotected exposure of frontline staff.

«We observed both false - positive and false - negative results in some of the laboratories,» Drexler briefly summarises the results.

In their study (1), Sebastiani et al. used a number of different genotyping platforms and neglected to perform data quality - control steps, which resulted in their reporting several false - positive single - nucleotide polymorphism (SNP) associationIn their study (1), Sebastiani et al. used a number of different genotyping platforms and neglected to perform data quality - control steps, which resulted in their reporting several false - positive single - nucleotide polymorphism (SNP) associationin their reporting several false - positive single - nucleotide polymorphism (SNP) associations.

The short note, by Editor - in - Chief Bruce Alberts, acknowledged that the study's authors «used a number of different genotyping platforms and neglected to perform data - quality control steps, which resulted in their reporting several false - positive single - nucleotide polymorphism (SNP) associations.»

We evaluate the rates and nature of false positives in the CoRoT exoplanets search and compare our results with semiempirical predictions.

Results from these tests provide also in many cases insights into the nature of the sources of the false positives, which are generally produced by one of several kinds of configurations involving eclipsing binaries (EB).

We distill these candidates into sets of 104 validated planets (57 in multi-planet systems), 30 false positives, and 63 remaining candidat... ▽ More We present 197 planet candidates discovered using data from the first year of the NASA K2 mission (Campaigns 0 - 4), along with the results of an intensive program of photometric analyses, stellar spectroscopy, high - resolution imaging, and statistical validation.

In addition, we identify 428 KOIs likely to be false positives that have not yet been identified as such, though some of these may be a result of unidentified transit timing variations.

Unfortunately, indels are both the strength and the weakness of 454 data — due to the underlying pyrosequencing, homopolymeric regions are often under - or over-called, resulting in numerous false positives.

For the LTQ - Orbitrap Velos data, the distribution of mass deviation (from the theoretical masses) was first determined as having a standard deviation (σ) of 2.05 part per million (ppm), and a mass error of smaller than 3σ was used in combination with Xcorr and ΔCn to determine the filtering criteria that resulted in < 1 % false positive peptide identifications.

As a result, a spit test can provide a false positive of having an issue with Candida, when in fact you actually have normal oral levels of Candida.

Although the goal of these additional assessments is to help students, it has sometimes had the unintended outcome of creating student fatigue, practice effects, and false positives in test results.

It's likely this will result in a few false - positive hits, but that accuracy should improve with time (especially as legacy sites start to die out or face redesigns)... but there is another side - benefit that shouldn't be overlooked: Flash content is difficult for search engine spiders to crawl — meaning the overall quality and accuracy of your search results should also improve.

It should be noted that tests on kittens under 6 months of age frequently result in false positive results and should be deemed unreliable.

A trace amount of protein isn't a great concern if it isn't coupled with any other symptom or test result; protein may be present in the urine for a variety of reasons especially a false positive reading of trace protein if the urine pH is slightly alkaline when dipsticks are used.

Differing levels of expertise and diagnostics may result in false positives.

Although PCR testing methods offer promise, these techniques result in relatively high numbers of false - positive and false - negative results, so they are not routinely being recommended.

Diagnosis of canine dirofilariosis in animals which originate from a low - endemic region is difficult for 3 main reasons: 1) possible absence of circulating microfilariae (occult disease), 2) high frequency of a low number of adults, which in turn produces false negative results, using either ELISA or latex agglutination test, 3) possible false sero - positive results, due to cross-reaction with adult antigens of Dirofilaria (Nochtiella) repens (Schrey, 1996), the agent of subcutaneous dirofilariasis causing chronic pruritic dermatitis in dogs (Tarello, 1999).

In healthy, low - risk populations FIV is quite uncommon, and this leads to an increase in the relative number of false positive resultIn healthy, low - risk populations FIV is quite uncommon, and this leads to an increase in the relative number of false positive resultin the relative number of false positive results.

Testing kittens under the age of 12 weeks can often result in a false positive reading.

In order to overcome the issue of breed - specific differences resulting in widespread false positives, several breeds were used that, aside from the trait under investigation, were phenotypically similar to the affected individualIn order to overcome the issue of breed - specific differences resulting in widespread false positives, several breeds were used that, aside from the trait under investigation, were phenotypically similar to the affected individualin widespread false positives, several breeds were used that, aside from the trait under investigation, were phenotypically similar to the affected individuals.

This is illustrated in their figure 5, and can be seen by nothing the result of synthetic tests for the 5 % level appears to return a bit more than 5 % false positives.

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.

In its enthusiasm to adopt innovative statistics - based solutions, the industry may be in danger of undermining the progress made in predictive maintenance to date, by driving an increase in «false positives» that, in turn, will result in increased Opex costs for operatorIn its enthusiasm to adopt innovative statistics - based solutions, the industry may be in danger of undermining the progress made in predictive maintenance to date, by driving an increase in «false positives» that, in turn, will result in increased Opex costs for operatorin danger of undermining the progress made in predictive maintenance to date, by driving an increase in «false positives» that, in turn, will result in increased Opex costs for operatorin predictive maintenance to date, by driving an increase in «false positives» that, in turn, will result in increased Opex costs for operatorin «false positives» that, in turn, will result in increased Opex costs for operatorin turn, will result in increased Opex costs for operatorin increased Opex costs for operators.

Plus, another unique feature is that property height (in relation to flood risk) is included within the automated risk model resulting in fewer «false positives» and a more accurate assessment of genuine risk.

In fact, results from a two - year study reported by the National Press Club of Washington, DC found that as many as 70 percent of field tests for narcotics rendered false - positives.

As a partner in our Special Matters and Investigations practice, Mark's practice has been nationally acclaimed, and he has been widely recognized for the positive results he obtains for an array of clients in criminal and civil cases, including governmental investigations, prosecutions and False Claims Act civil litigation.

Searching will invariably result in a lot of «false positives,» all of which need to be reviewed for relevance and privilege.

The results will not include cases outside of CanLII's scope of coverage, the note - up tool is dependent on a properly formed citation appearing in the case, and there will be some «false positives» where references to an older revision are included in the results.

But if Facebook commits to minimizing these false positives, the result could better protection for democracy and civil society compared to the alternative of knowingly allowing false news to proliferate in the name of free speech.

The false positive rate is low, between 1 and 10 percent of all positive results, but unfortunately, such a result can lead to more invasive treatment that might in reality be unnecessary.

Professors Caroline de Costa and Jan Dickinson wrote an editorial in the MJA calling for the test to be more widely available Professor de Costa told the ABC that «one of problems with existing technology is that there are a certain number of false positive results.»

Second, reliance on CD alone to predict APD has been found to result in a substantial number of false - positive predictions (Lahey et al. 2005; Maughan and Rutter 2001; Storm - Mathisen and Vaglum 1994), whereas recent findings suggest that, in particular, the combination of externalizing and internalizing problems in adolescence predicts more serious antisocial outcomes than conduct problems alone (e.g., Fombonne et al. 2001; Sourander et al. 2007).