Sentences with phrase «many false negative results»

Vicky Phelan's false negative result has shown yet again the state's cavalier attitude towards women's health issues

For the Irish government, the timing couldn't be worse.

There can be false negative results especially if you made the test too early.

GER is difficult to diagnosis in infants and young children due to the fact that the few tests that are available to test for it are somewhat unreliable and often give false negative 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.

This lower rate of false negative results is a key benefit of the HPV screening.

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.

The analyzer did not produce any false negative results.

In addition, the nasal brushings produced no false negative results in 45 disease - free controls, Caughey says.

The documents also suggest that the officials knew that the Pasteur test was not ready for the market at this stage, because it was still giving too many false negative results.

The high number of false negative results found in the study implies a risk that athletes who use rHuEpo will avoid detection and damage the fundamental goal of fair competition.

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.

In fact, the FDA has been cracking down on some services in recent years, pointing out the health risks posed by possible false positive or false negative results.

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

It's important to note that there's a 30 % chance that the antibody tests to diagnose Hashimoto's will present an indecisive or false negative result, causing many Hashimoto's cases to go undiagnosed for years.

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

While unlikely, this test may provide false positive or false negative results.

After I wiped tears from my eyes, I realized that I should let her know that if she is going to get tested for celiac disease she should NOT be on a gluten - free diet before getting tested because it can produce a false negative result.

Hi Derinda, it sounds like you and your doctor may be relying on the TSH test, which is notorious for false negative results.

Most false negative results occur when levels of human chorionic gonadotropin (hcg) in the urine are too low for the test to detect pregnancy.

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

This is the case in what is called false negative results: the test looks normal but it is deceiving.

Conventional testing for gluten sensitivity misses many important markers and can give you a false negative result.

There is a window period of six to seven months where the test may reveal a false negative result.

However, it usually takes eight to 12 weeks after infection for detectable levels of antibody to appear in the bloodstream, so testing performed during this interval may result in false negative results.

For years, I evaluated and diagnosed pets with in - house fecal flotation with centrifugation but always saw variability in my test results, misdiagnosis of parasites, and false negative results.

This gives a false negative result.

It is important to realize that these tests may have false negative results.

Bear in mind that the antigen test often gives false negative results if there are fewer than four adult female worms in the dog's body.

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

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).

This test can give false positive and false negative results.

However false negative results have been documented, and PCR testing is not recommended if a patient has been sick for more than four days.

Sometimes this test gives false negative results, though, because the virus «hides» in the cells and is not presents in the blood itself.

Very early in the disease, the in - office test can give false negative results.

And a false negative result might allow precancerous cells to develop into cancer if they are not detected in a future round of Pap testing.

Not exact matches

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).

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»).

If you're very early in your pregnancy, than your hCG levels may not be high enough to be detected by a home pregnancy test, resulting in false negative pregnancy tests.

It said this was as a result of his alleged negative comments about Nigerians and his presentation of false performance indices to his hosts.

Universal EKG screening would potentially cost about $ 2 billion in the first year and risk both false - negative and false - positive results, the authors caution.

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.

False positive and negative results and over-diagnosis could cause psychological distress, delay treatment, or lead to overtreatment, according to the National Cancer Institute (NCI).

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.

But this test is inconsistent, varies by manufacturer and can provide false negatives, which can result in health problems for those who are sensitive.

The one lesion positive on FMC and negative on PSMA resulted at biopsy as a false positive.

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

A negative result would not have entirely cleared them — tests can produce false negatives — but it may well have calmed public suspicion.

the test is not sensitive enough to detect low levels of the T790M mutation, resulting in a false negative;

False - negative results showed insufficient test sensitivity, as they were unable to detect the existing viruses.