Sentences with phrase «with false negative»

Since his breed comes with a false negative connotation, it can be harder to adopt Lenny and his friends.

The tests may come back incorrect with a false negative, and you won't have a proper understanding of what's causing your symptoms.

With such huge costs associated with false positives and far fewer with false negatives, authorizers behave rationally when adding front - end barriers.

Not exact matches

As with all technical indicators, an overbought or oversold indicator may be followed by higher highs or lower lows, giving the impression of a false negative or false positive.

Thus, if we recognize this part of human nature, we can avoid falling victim to the negative consequences of embracing false beliefs by actively researching topics that may seem preposterous to us if we have no direct experience with such topics.

When the SCAT2 was issued, superseding the original SCAT published in 2005, the authors recommended continued reliance on the SAC until prospective studies could be conducted to assess the SCAT2's sensitivity (how good the test is in identifying athletes with concussion; for example, a test which is very sensitive will have few false negatives, rarely missing those later found to have concussion) and specificity (a test with high specificity will have few false positives, rarely mis - classifying people without concussion as having concussion).

I don't think any company with an «outstanding reputation» would be acting that way, unless the only reason they have that reputation is because they have dirtied everyone else's reputation by putting out false or negative information and rumors about their competition.

With a 99.4 % accuracy rate, the odds are low that your amniocentesis will give you a false positive or negative for a chromosome disorder.

With that, she may be getting a false negative for several key reasons.

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.

Health authorities say the number of false negative results from the tests is probably small but AIDS hotlines were jammed last week with inquiries from people worried by the implications.

When the results were compared with studies in the literature using standard radiocolloid tracers the researchers found that the SN biopsy using tilmanocept provided a high identification rate and low false negative rate for SNs, thus facilitating accurate prediction of the spread of the cancer.

«New tests are more exact and are not as susceptible to the same false - positive or false - negative results associated with current tests,» said Schutzer.

«One: those who «pass» may think that they are without evidence of eye disease though they may be «false negative» and might delay in seeking care with the development of symptoms, thinking that they had already had an eye exam, and, two, those under the care of an eye doctor may perceive a different situation than their doctor has described,» Lee said by email.

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.

It rarely detects important disease and does not reduce mortality and is associated with discomfort for many women, false positive and negative examinations, and extra cost,» said Dr. Linda Humphrey, a co-author of the guideline and a member of ACP's Clinical Practice Guidelines Committee.

The technology successfully detected the cancer cells with less than 1 percent incidence of false - negative results.

Dr Greene said: «Increasing scientific and public understanding of the causes of false memory is an important goal, particularly in light of some of the more negative consequences associated with the phenomenon, including faulty eyewitness accounts and the controversies surrounding false memories of traumatic childhood events.

In theory, FAST has the potential to detect terrorists in the final minutes before they act, but critics warn that the system may have other consequences, such as flagging innocent travelers through false positives while letting some with ill intent sneak by through false negatives.

They tested DBT and DM according to four outcomes — true positive (TP), true negative (TN), false positive (FP), and false negative (FN) rates — by comparing the Breast Imaging Reporting and Data System (BI-RADS) score (assigned at screening with data about subsequent cancer diagnosis).

The negative side is that cepstral coefficients reflect the geometry of the human vocal tract, but we are not too different from one another, so the system tends to make false hits,» says Peter French from the University of York, president of the International Association for Forensic Phonetics and Acoustics (IAFPA) and director of J.P. French Associates, the main forensic phonetics company in the U.K. «I believe that automatic systems should be combined with human intervention,» French says.

Using a two - tiered testing strategy, the new test quickly identified all of the NPC patients with no false positives and no false negatives.

Follow - up interviews were obtained from 1,028 of the women (534 with negative results, 494 with false - positive results).

The MSLT - 1 trial demonstrated that patients with a positive SLN undergoing CLND had far better melanoma - specific survival than those patients who manifested nodal recurrence either on the observation arm or after a false - negative SLN biopsy (10 - year melanoma - specific survival rates: 62.1 % vs 41.5 % and 34.4 %, respectively).

After adjusting for common factors that influence breast cancer risk, Henderson and colleagues found that women whose mammograms were classified as false - positive who were referred for additional imaging had a 39 percent increased chance of developing subsequent breast cancer during the 10 - year follow - up period, compared with women with a true - negative result.

Women whose mammograms were classified as false - positive but were referred for a breast biopsy had a 76 percent increased chance of developing subsequent breast cancer compared with women with a true - negative result.

We attributed false negatives to the possibility that the corresponding BC either did not harbor a mutation in any of these 11 genes or the fraction of neoplastic cells in the urine sample was insufficient to allow detection with the assays used.

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.

For this reason, I use Cyrex Lab in my clinic because they have a test that looks at the gliadin sub-fractions, which helps to minimize false negatives that can be found with the IgA and IgG anti-gliadin antibody testing.

The problem with other testing is it's very easy to have false negative result.

But, hey, Justin and I have seen a lot of false negatives with DRG and some other test out there.

You get false - negatives with biopsies very frequently.

Women with denser breasts tend to be younger, healthier women, which means healthier women are actually at an increased risk of getting a false result — either a false positive or false negative.

Any of these tests may be used for screening, with the awareness that false negatives are common, in that other tissues may contain toxic levels not present in the sample screened.

At her first OBGYN appointment for her pregnancy, this woman and her husband may be surprised to learn that she was already 10 weeks pregnant, with the previous results having been what is called a false negative pregnancy test.

You may otherwise get a false negative result, especially with candida, bacteria and parasites.

Ellie, The breath tests are not always accurate so perhaps it was a false negative OR... interestingly, research has shown that even with adequate absorption of some FODMAPs they still elicit symptoms — so even if you digest it, the presence of the some FODMAPs in your intestine still draw water into your bowel and cause distress.

A person can be born with an immunodeficiency or acquire it through: infection repeated antibiotic use steroid use (including steroid inhalers) disease malnutrition burns long - term, low - level demands increased immunoglobulin response as a side effect of different pharmaceuticals that can suppress the immune system An immunodeficiency could cause your test results to be inaccurate, giving a false negative.

The biggest problem with eHarmony especially is, what I call the False Negative Problem.

Could Bay actually be deliberately making a metaphor with the nefarious and false «contamination alerts» — the Orange Alerts of the city — as opposed to his usual accidental stumbling upon some negative and evil cultural signifier, of which is own work is usually the best example?

Included within this teacher PPT are 27 starters to revise high frequency vocabulary, grammar and essential exam topics ⁃ 2 false friend activities ⁃ Opposites match up ⁃ Gap fill - nouns in German ⁃ Dominoes - adjectives ⁃ Match up - negative expressions ⁃ Categorisation of irregular verbs in 6 tenses ⁃ Unscramble letters - reflexive verbs ⁃ Reading comprehension - leisure ⁃ Gap fill - possessive pronouns ⁃ Writing - house and home ⁃ Writing - free time ⁃ Categorisation - adjectives to describe personality ⁃ Town or countryside - arguments for and against ⁃ Ideal town conditional writing frame ⁃ Sentence match - directions ⁃ Reading comprehension - school timetable ⁃ Crossword - higher numbers ⁃ Writing / speaking - common questions with numbers ⁃ Writing - times ⁃ Word search - time phrases ⁃ Match up - question words ⁃ Word unscramble - restaurant vocabulary ⁃ Common questions ⁃ Opinion adjectives - fill in the missing vowels ⁃ Opinions - past, present or future?

Monolingual testing can also give rise to «false negatives,» when a child with a real speech and language disorder is not diagnosed, because it is presumed their problems are merely part of being multilingual.

11 slides on what you do in the evening and using the affirmative / negative form of a verb Lesson starter: cognates / false friend spotting Listening task - fill in the gaps with the missing words Learning the vocabulary - write down what you see on the picture Interactive activity - Who is doing what?

Since we can't perfectly place every instance in the correct «yes» or «no» category, we end up with «false positives» (we say «yes» when it's «no») and «false negatives» («no» when it's «yes»).

The error associated with using initial performance to predict future performance appears to be quite high: the false negative rate is 68 percent.

[14] Thus the tradeoff associated with the reduction of false negatives is that false positive error increased from 56 percent to about 70 percent.

As with any measure, value - added can lead to two kinds of misclassification: putting a teacher in a group to which he does not truly belong — a false positive — or failing to put him in a category in which he does belong — a false negative.

If we shifted it to 15, for example, hardly any teachers with true effectiveness above 20 would be misclassified as ineffective (there are fewer false negatives / blue dots).

The error associated with using initial performance to predict future performance appears to be quite high: only 32 percent of teachers classified as low - performing in math are in the lowest performance quintile in future years, meaning that the false negative rate is 68 percent.

What we have now does not look like a false negative but rather a very poorly designed program in Louisiana with the release of a new study on the first year results.