The TB blood test is known as an interferon-gamma release assay. Two TB blood tests are approved by the U.S. Food and Drug Administration (FDA) and are available in the United States: the QuantiFERON®-TB Gold Plus (QFT-Plus) and the T-SPOT®.TB test (T-Spot). A positive test...
People who, if infected, are at high risk of developing active TB (eg, people with HIV infection, people with drug-induced immunosuppression) Any child<5 years old who is a close contact of a person with smear-positive TB, regardless of whether there was TST conversion ...
Sputum culture result was used as a gold standard. The specificity of the test was evaluated both in patients and in 55 tuberculin skin test (TST) negative healthy subjects. Results Out of the 140 study participants, 37 (26.4%) were positive for active PTB by culture. Out of the 37 ...
-TB Gold In-Tube and the tuberculin skin test and predictors of positive test results in Warao Amerindian pediatric tuberculosis contacts Lilly M Verhagen, Mailis Maes, Julian A Villalba, Adriana d’Alessandro, Lazaro Perez Rodriguez, Mercedes F España, Peter WM Hermans & Jacobus H...
(6 months long regimen) for TB treatment is a lifesaving therapy for those who do not have drug-resistance and get cured, but we cannot forget that this is not the gold standard by any means - this therapy remains burdensome to patients and their care providers, and toxic for many. We...
A positive result means that there was an immune reaction to the TB bacteria and that infection is likely. A negative result means that there was no immune reaction and that TB infection is not likely. An uninterpretable result means that the test result was indeterminate, invalid, or borderli...
The AlexNet CNN was applied to the obtained results to distinguish between “true-positive” and “false-positive” tumor bud candidates, which significantly increased the accuracy of detecting TB cases, although it led to a slight decrease in the sensitivity. In this study, the AlexNet model’s...
These negative units compensate for the positive terbium ions (Tb3+), thus generating single-doped green phosphor for light-emitting-diode (LED) applications. This is a preview of subscription content, log in via an institution to check access. Similar content being viewed by others Influence ...
The overall prevalence as regards positive results from both tests, QFT-Plus and QFT-GIT, was 9.7%, and the prevalence of positive QFT-Plus results was 8.2%. The main independent variables associated with a positive QFT-Plus result were a) being born in a high-incidence country (OR =...
Serum quantiferon positive (%) 1 (11%)b 6 (86%) 11 (100%) 5 (83%) Subjects w/cough 8 5 8 0 Haemoptysis 0 2 4 0 Night sweats 1 3 5 1 Heart rate > 100 0 0 2 0 Body temp > 38 °C 0 0 4 0 Anemia, Hb < 120 3 0 0 ⁎⁎ p < 0.01 (Students t-test, unpaired...