(This is called the positive predictive value.) This means that 97% of people with a positive test will be very anxious and may need additional tests to prove that they didn’t have stomach cancer.

Gozellix performance for imaging of biochemically recurrent ... 14 were also found to be positive based on histopathology (positive predictive value [PPV], 61% [95% CI, 41-81]).

However, due to a low clinical specificity and positive predictive value, HPV DNA testing has so far not been recommended as primary screening in Europe. In general, diagnostic HPV tests have to ...

Across two cohorts, the Automated Imaging Differentiation for Parkinsonism ... operating characteristic curve (AUROC), positive predictive value (PPV), and negative predictive value (NPV ...

However, the researchers also observed that these biomarkers had low positive predictive values, meaning elevated biomarker levels alone could not reliably identify individuals who would surely ...