Sentences with phrase «causing false positive results»

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.

Deactivating the enzymes is done to prevent them from reacting with the assay in an unintended way and causing false positives results.

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).

That resulted in way too many false positives caused by harmless animals.

The only medications really known to cause false results, false positives specifically, are those medications containing hCG In these cases, your doctor or fertility center will tell you not to take a pregnancy test until these medications have cleared your system.

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).

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.

Small study size, design flaws, publication bias (failure to publish negative results or duplication of positive results), drug - industry influence, and the play of chance were among the problems Ioannidis found that caused false or exaggerated claims.

These «false positive» results can cause anxiety and lead to unnecessary follow - up tests.

Errors during collecting, storing or testing urine samples may cause false positive or negative results [6].

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).

These changes are effectively skewing results to the positive side and creating a false, misleading and inaccurate representation of the Calgary market that is causing Calgarians to make financial decisions based on false MLS data.