Sentences with phrase «of false positives in»

The continuing problem of false positives in repeated measures ANOVA in psychophysiology: A multivariate solution

A clause was also added giving context to the number of false positives in the research.

A combination of sequencing data from two different platforms, as suggested by Nothnagel et al. [5] for the reduction of false positives in newly identified SNVs, is only of limited use for combining the strengths in coverage of different genomic regions.

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

«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.

Not exact matches

The data presented last week, though not peer - reviewed, suggests they can do that remarkably well — with the algorithm, in the five - minute testing windows, detecting AFib with a 99.3 % rate of sensitivity and a 0.8 % rate of «false positives.»

The national cost of false - positive tests and overdiagnosed breast cancer is estimated at $ 4 billion a year, according to a 2015 study in Health Affairs.

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).

It points to evidence showing that 2,100 women need to be screened over 11 years to prevent one death, but one in three of them get false - positives.

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.

The price of being tactical are the inevitable false positives, where you sell only to buy back in at higher prices.

The company depressed 2013 earnings by burying $ 406 million of unusual charges in its earnings, which, in turn, set up a (false) positive comparison for 2014 earnings.

Since the majority of all investigated hypotheses are false, if positive and negative evidence were written up and accepted for publication in equal proportions, then the majority of articles in scientific journals should report no findings.

Christian disbelief is, instead, a positive testing of what is true and false by a single criterion: «By this you know the Spirit of God: every spirit which confesses that Jesus Christ has come in the flesh is of God, and every spirit which does not confess Jesus is not of God» (1 John 4:2 — 3).

Let the positive word come first, so that the gospel may undercut the fears which cause men to harden their minds and hearts against any criticism; but then the word of judgment is needed to prevent all that is positive in the gospel from creating false peace of mind in personal life or complacency about our national culture.

form of government, and emboldened by the wide diffusion of a false conception of tolerance, has committed itself in authoritative declarations and by positive acts to a policy plainly subversive of religious liberty as guaranteed by the Constitution.

Their positive meaning is lit up only by the fact that in this act He is this God and therefore the true God, distinguished from all false gods by the fact that they are not capable of this act, that they have not in fact accomplished it, that their supposed glory and honour and eternity and omnipotence not only do not include but exclude their self - humiliation.

Which brings us back to Oona Stannard's clear and public statement on 25 February that the Government's «draft guidance is a positive step forward -LSB-... It] helps support schools in counteracting [false impressions of relationships] from within their own carefully planned SRE programmes.»

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.

We will also discuss ways you can safely promote the positive attributes of your product in a manner that is neither false nor misleading.

But because issues ranging from delays in reporting to false positives can sometimes occur, Wilkerson suggests asking the baby's pediatrician to confirm it came back and if there were any areas of concern.

But then again, the thousands of false positives on a cancer screening also suffer in some ways, the emotional stress, the follow - up testing, etc..

But even when both of these criteria were true, there were many false positives, meaning that many of these babies» weight was in the normal range.

This era was also overshadowed by severe human rights abuses committed by members of the armed forces, including the «false positives» scandal, in which peasants were killed and then dressed up as guerrilla fighters to artificially inflate the body count.

In Pakistan, in contrast, bombings are driven by religious differences between people who are ethnically much more similar within a multi-ethnic panorama of predominantly Muslim ethnicities - indeed, often the targets of bombings are secular people, or Christians, or less «fundamentalist» Muslims of the same ethnicity as the bombers, so simple ethnic profiling is not very useful in making a first order assessment of the risk that someone is a bomber and generates vastly more false positiveIn Pakistan, in contrast, bombings are driven by religious differences between people who are ethnically much more similar within a multi-ethnic panorama of predominantly Muslim ethnicities - indeed, often the targets of bombings are secular people, or Christians, or less «fundamentalist» Muslims of the same ethnicity as the bombers, so simple ethnic profiling is not very useful in making a first order assessment of the risk that someone is a bomber and generates vastly more false positivein contrast, bombings are driven by religious differences between people who are ethnically much more similar within a multi-ethnic panorama of predominantly Muslim ethnicities - indeed, often the targets of bombings are secular people, or Christians, or less «fundamentalist» Muslims of the same ethnicity as the bombers, so simple ethnic profiling is not very useful in making a first order assessment of the risk that someone is a bomber and generates vastly more false positivein making a first order assessment of the risk that someone is a bomber and generates vastly more false positives.

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.

More disclosure of how data were handled and reported, and making data available, can help other scientists spot false positives in your work.

In fact, about 10 percent of all «Kepler Objects of Interest» (KOIs) will end up as false positives, mission scientists say, while others will suffer demotions like that of KOI 326.01 based on follow - up observations.

That means the 1 % false positive rate will likely be higher in less healthy populations, notes proteomics researcher Lance Liotta of George Mason University in Manassas, Virginia.

The simpler algorithms get it right in 91 per cent of cases, reporting false positives the rest of the time.

One common misinterpretation is that a P value of.05 implies a 95 percent probability that the effect is real (or, in other words, that the chance of a false positive is only 5 percent).

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.

Dr. Catalona, who was the first physician in the U.S. to run the phi test, added, «However, the problem is that higher levels of PSA can also be caused by a benign enlargement or inflammation of the prostate, leading to many false ‐ positives for cancer and ultimately unnecessarily invasive biopsies and an increased potential for patient harm.»

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

The risk of incurring an unnecessary biopsy because of a false positive exam increased in this study, from 1 in 100 women with mammography to 4 in 100 women with mammography plus MBI.

«The finding that MBI substantially increases detection rates of invasive cancers in dense breasts without an unacceptably high increase in false positive findings has important implications for breast cancer screening decisions, particularly as 20 states now require mammography facilities to notify women about breast density and encourage discussion of supplemental screening options,» says Dr. Rhodes.

In rare cases, for example, the signal from a gamma ray may approach the expected signal of a dark matter particle, and proper calibration helps to rule out similar false positive signals.

In an editorial also published in the July 1 issue of Annals of Internal Medicine, Dr. George Sawaya and Dr. Vanessa Jacoby of the Department of Obstetrics, Gynecology and Reproductive Sciences at the University of California, San Francisco write, «The pelvic examination has held a prominent place in women's health for many decades and has come to be more of a ritual than an evidence - based practice... With the current state of evidence, clinicians who continue to offer the examination should at least be cognizant about the uncertainty of its benefits and its potential to cause harm through false - positive testing and the cascade of events it prompts.&raquIn an editorial also published in the July 1 issue of Annals of Internal Medicine, Dr. George Sawaya and Dr. Vanessa Jacoby of the Department of Obstetrics, Gynecology and Reproductive Sciences at the University of California, San Francisco write, «The pelvic examination has held a prominent place in women's health for many decades and has come to be more of a ritual than an evidence - based practice... With the current state of evidence, clinicians who continue to offer the examination should at least be cognizant about the uncertainty of its benefits and its potential to cause harm through false - positive testing and the cascade of events it prompts.&raquin the July 1 issue of Annals of Internal Medicine, Dr. George Sawaya and Dr. Vanessa Jacoby of the Department of Obstetrics, Gynecology and Reproductive Sciences at the University of California, San Francisco write, «The pelvic examination has held a prominent place in women's health for many decades and has come to be more of a ritual than an evidence - based practice... With the current state of evidence, clinicians who continue to offer the examination should at least be cognizant about the uncertainty of its benefits and its potential to cause harm through false - positive testing and the cascade of events it prompts.&raquin women's health for many decades and has come to be more of a ritual than an evidence - based practice... With the current state of evidence, clinicians who continue to offer the examination should at least be cognizant about the uncertainty of its benefits and its potential to cause harm through false - positive testing and the cascade of events it prompts.»

«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.

The two - stage screening process was highly effective at identifying the children in need of these services and had a very low false - positive rate.

Dr. Hodgson cautions that «false positives» from MRI screening are common given that this scanning method is so sensitive it detects many changes in breast tissue, most of which are not cancer.

Inappropriate testing for heart attacks increases the cost of treatment; increases the number of false positives, which could lead to further testing and unnecessary consultations; and adds to patient anxiety, said Dr. Anil Makam, Assistant Professor of Internal Medicine at UT Southwestern and first author of the study published today in JAMA Internal Medicine.

Whereas technically the potential threats detected by the system in the past were not false positives — they did accurately pick up tiny, background amounts of DNA from organisms naturally present in the environment — in effect, they were false alarms because they signaled the potential occurrence of a terrorist attack when none had occurred.

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.

DNA yields a false positive less than one in a trillion times, whereas even the most complex labeling, serialized code, etched or inked symbols, or microdot application may be copied or mimicked, says James Hayward, president and CEO of Applied DNA.

And skilled staff in good laboratories can almost always distinguish genuine infection from a false positive by carrying out an array of tests.

But the carbon - dating evidence did not persuade him that people maintain similar stem cell reserves: The method involves «a lot of assumptions and steps in which there can be contamination or false positives,» he says.

However, they do not allow us to know whether this information was used to perform the task, or if it reflects the consequences of this task — in other words, spreading information in our brain,» continues Valérian Chambon, researcher at the Departement d'études cognitives at the ENS.. The mapped regions outside of the posterior superior temporal lobe are thus false positives, in a way.