Sentences with phrase «rate of false positive»

Although we do not have results of confirmatory testing, we would expect a similar rate of false positives for our screening.

She points out that the test would have to have a very low rate of false positives to avoid putting healthy people at risk of picking up diseases from other, genuinely infected people.

More work is needed to refine the tests so that they can detect tinier amounts of target molecule, and ensure the rates of false positives and negatives meet the standards required for diagnostic tests.

«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.

SWIF (r) was shown to outperform both individual statistical techniques and other composite techniques in picking out those adaptive mutations, while producing a lower rate of false positives.

Clinical examination and imaging technologies are critical elements for detecting and diagnosing breast cancer, yet the high rate of false positives and false negatives resulting from these approaches can significantly impact patient care.

There are also some concerns with the rates of false positives and negatives with the 1 - hour oral screening test, and it is simply that: a screening test and not a diagnostic one.

In fact, as «The Pregnant Mathematician» points out, when the test is evaluated mathematically, there is both a high rate of false positives and false negatives in women who may actually have GD.

There is a high rate of false positives on the 1 - hour glucose challenge test.

If you're low - risk, this isn't a useful screening tool, as it has a high rate of false positives, Dr. Goldberg explains.

Blood has a high rate of false positives.

This situation is very different than for the initial prcd - PRA test in other breeds where the rate of false positives was substantial.

I've estimated the effect on the surface trends computed since the 80s, and the increase in false negatives is larger than the rate of false positives for a similar period.

Of note, despite covering a broader range of symptoms than the CBCL (e.g., inclusion of dysregulation), the BITSEA maintained acceptable rates of false positives and false negatives relative to the CBCL.

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 BIOPSY»S DANGEROUS CASCADE: HOW TO LESSEN THE NEED FOR INVASIVE TESTING Intervention Track Hosted By: Insigniam Current medical tests are too often marred by high rates of overdiagnosis («false positive» results) or they too often miss the danger altogether («false negatives»).

Delaying the screening until near the time of discharge allows more time for the body to clear this fluid / debris and decreases the false positive rate.

A doula can remind you of the high false positive rate for EFM and remind you to ask your caregiver about options for verifying the diagnosis (such as using an internal monitor or stimulating the baby's scalp).

The false positive rate is much higher than the false negative rate of existing gun laws.

The researchers realized that one particular analysis variation was spitting out false positives at a rate of up to 70 percent.

A study published this month, and paid for by Sequenom, found that the company's test has a false positive rate of 0.2 % (G. E. Palomaki et al..

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.

It correctly identified about 90 per cent of adverts that had the same author, with a false positive rate of only 1 per cent.

«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.

«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.

It achieved a 97 - percent detection accuracy and less than 0.1 percent false positive rate, regardless of its position on the body and the user's language, accent or even mobility.

The test is much less accurate for Edward syndrome and Patau syndrome, however, with respective detection rates of about 96 % and 92 % and a false positive rate of 0.26 %.

«Even a marginal false positive rate would defeat the purpose of an autonomous monitoring device,» he said.

«This study has shown that the main advantage of cfDNA testing, compared with the combined test, is the substantial reduction in false positive rate.

Satta also found that images could be accurately grouped according to the originating camera 90 percent of the time, with a false - positive rate of 2 percent.

«Our method would be an effective low - cost addition to a battery of tests helping to lower the false positive rate since it provides 10 % better sensitivity and specificity than any other screening method, including Pap and HPV tests,» says Huang.

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

The older group also had a slightly higher rate of false - positive screening results.

We used a false discovery rate rather than standard significance measures to avoid an inflated false - positive rate as a consequence of the large number of hypothesis tests (42).

To identify false - positives and estimate the type 1 error rate, we used the genomic positions of a set of known lineage - specific repeat families in human and mouse, since lineage - specific repeat insertions should not overlap ancestral elements.

We discuss common correction schemes such as Bonferroni, Holm, Benjamini & Hochberg and Storey's q and show how they impact the false positive rate (FPR), false discovery rate (FDR) and power of a batch of tests.

We use the low overall false positive rate among Kepler multis, together with analysis of Kepler spacecraft and ground - based data, to validate the closely - packed Kepler - 33 planetary system, which orbits a star that has evolved somewhat off of the main sequence.

This observational result, which uses the achromatic property of planetary transit signals that is not investigated by the Kepler observations, provides an independent indication that Kepler's false positive rate is low.

False positives in the multi - planet systems are identified and removed, leaving behind a residual population of candidate multi-planet transiting systems expected to have a false - positive rate less thanFalse positives in the multi - planet systems are identified and removed, leaving behind a residual population of candidate multi-planet transiting systems expected to have a false - positive rate less thanfalse - positive rate less than 1 %.

Most importantly, we also quantify and characterize the distribution and rate of occurrence of planets down to Earth size with no prior assumptions on their frequency, by subtracting from the population of actual Kepler candidates our simulated population of astrophysical false positives.

By comparing their distribution with that of the Kepler Objects of Interest detected during the first six quarters of operation of the spacecraft, we infer the false positive rate of Kepler and study its dependence on spectral type, candidate planet size, and orbital period.

The high rate of multiplicity combined with the low rate of identified false - positives indicates that the multiplanet systems contain very few false - positive signals due to other systems not gravitationally bound to the target star (Lissauer, J. J., et al., 2012, ApJ 750, 131).

Low False - Positive Rate of Kepler Candidates Estimated From A Combination Of Spitzer And Follow - Up Observatioof Kepler Candidates Estimated From A Combination Of Spitzer And Follow - Up ObservatioOf Spitzer And Follow - Up Observations

We find that the global false positive rate of Kepler is 9.4 %, peaking for giant planets (6 - 22 Earth radii) at 17.7 %, reaching a low of 6.7 % for small Neptunes (2 - 4 Earth radii), and increasing again for Earth - size planets (0.8 - 1.25 Earth radii) to 12.3 %.

In legal terms, the false positive rate means the proportion of cases in which, on the basis of the evidence, a suspect is found guilty when in fact they are innocent.

Furthermore, we provide a metric to characterise the false positive and false negative rates to provide further information about the reliability of a detected oscillation mode or the significance of a lack of detected oscillation modes.

False - discovery rate (FDR) was used to correct for multiple testing and to estimate the number of false positives False - discovery rate (FDR) was used to correct for multiple testing and to estimate the number of false positives false positives [55].

Every several centuries Earth will experience these false alarms of high rates of temperature changes both positive and negative.

A false positive rate of < 4 % was estimated for each of the LC - MS data sets.