Sentences with phrase «of false positives leads»

But reducing the risk of false positives leads to more false negatives, and vice versa.

Oh, I suppose the risk of false positives leading to anxiety / more invasive procedures.)

Not exact matches

There is some evidence that the use of continuous electronic fetal monitoring may lead to increased false positives for fetal hypoxemia and to resulting caesarean sections.21, 22

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.»

First, it provides a strong argument against the opinion that subgroup analyses of randomised trials should be strongly discouraged because they can lead to false positive findings due to the multiple comparison problem.

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.

The disease is notoriously difficult to diagnose, leading to a large proportion of both false positives — where patients undergo surgery they don't need — as well as false negatives — where appendicitis is mistaken for gas or cramps and left untreated.

To eliminate false - positive results caused by seed effects — a phenomenon by which siRNAs inadvertently silence irrelevant genes — study co-first author Aviad Tsherniak led the development of a novel computational tool dubbed DEMETER.

At the same time, there are a high number of false positives associated with screening programmes, meaning healthy people are inappropriately identified as having a potential condition, leading to overdiagnosis and overtreatment.

«Our finding that breast cancer risk remains elevated up to 10 years after the false - positive result suggests that the radiologist observed suspicious findings on mammograms that are a marker of future cancer risk,» said the study's lead author, Louise M. Henderson, PhD, a UNC Lineberger member and an assistant professor of radiology at the UNC School of Medicine.

There is a risk of false positive, which leads to another, longer test.

However, increasing numbers of false - positive tests have led to unnecessary medical treatment.

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.

Schochet and Chaing (2010), for instance, use simulations to assess the potential that value - added estimates would lead to false positives and false negatives, and how the magnitude of error varies based on the quantity of prior information available.

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

League of Legends launched a new system to hand out immediate automatic bans for chat infractions this week, leading to many claims of unfair bans and false positives.

Since the possibility space for the existence of major problems is large, calculating probabilities or possibilities of each is sure to lead to false positives.

It is more surprising that the Superintendent of Motor Vehicles in BC actually relies upon these such tests to prohibit innocent people from driving (leading to other severe financial or life - changing repercussion) in situations where the breath testing equipment might be in fact reading false positives.

Vancouver Criminal Defense Lawyer Emmet J. Duncan persuaded Crown that the police officer made NUMEROUS errors including: FAILING to observe an adequate waiting period before administering the «roadside screening device» (or «ASD»); failing to respect Client's right to consult with COUNSEL OF CHOICE; and improperly observing Client before the breath samples to protect her from having MOUTH ALCOHOL lead to a false positive result on the BAC Datamaster C (the Breathalyzer) instrument.

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.

While it is true that Pap testing can lead to false positives or false negatives, the issue of its accuracy is a little more nuanced.

A lack of blinding, however, should increase the difference between intervention and control groups, leading to false positive rather than null results.

It has been argued that standards for diagnosing ADHD should be lower in adults than children, requiring 4 of 9 instead of 6 of 9 clinical criteria.8 In this study, applying the 4 of 9 standard increases ADHD in probands by nearly half, from 22.2 % to 31.9 %, and more than doubles the rate in comparison participants (from 5.1 % to 11.8 %), possibly leading to false - positive diagnoses.