نتایج جستجو برای: false negative

تعداد نتایج: 590238  

Ubiquicidin (UBI) [29-41] is a synthetic cationic antimicrobial peptide that preferentially binds to bacterial cell membrane at the site of infection. We aimed to assess diagnostic value of 99mTc-UBI [29-41] as a radiopharmaceutical in differentiation of bacterial infection from sterile inflammation in suspected orthopedic implants. Nine patients suspected for orthopedic implant infection, all ...

Journal: :Korean Journal of Otorhinolaryngology-Head and Neck Surgery 2017

Journal: :European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology 2013
Tomas Hajek Miloslav Kopecek Martin Alda Rudolf Uher Cyril Höschl

Results of meta-analyses are regarded as the highest level of evidence. A statistically non-significant effect size from a meta-analysis is typically considered true negative even in the presence of a statistically significant signal in individual studies, presumed to be false positive. Here we provide examples from neuroimaging, genetics and psychopharmacology of why meta-analyses may frequent...

Journal: :Journal of medical virology 2000
W Preiser N S Brink A Hayman J Waite P Balfe R S Tedder

Ideally HIV antibody tests have to be both extremely sensitive and able to recognize all known HIV subtypes. Three patients whose sera failed to react with a synthetic oligopeptide-based HIV antibody test are described in this report. The patients were a Pakistani male infected recently, an Australian male infected for several years, and a Ugandan woman with AIDS. The presence of anti-HIV antib...

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