A new assay is used to test 120 samples from patients with a clinically confirmed diagnosis of the relevant infection and 50 samples from healthy control subjects. The test results were positive for 90 of the infected patients and positive for 10 of the healthy controls.
Calculate the positive predictive value of the assay
A. 57%
B. 75%
C. 80%
D. 90%
Select your answer:
Topics:
Levels of Organization First Aid Enzyme Unintentional Injuries Pathology Cell Structure and Function Biotechnology Vascular Upper Limb Medical Terminology Gastroinestinal Gastroenterology First Aid Bleeding Fish Health Management EMR - Trauma Musculoskeletal/Endocrine Systems Safety and First AidOther quiz:
Renal › ViewAn estimation of the efficiency with which substances are cleared from the blood by the kidneys is known as?
A. Glomerular filtration rate
B. Renal filtration rate
C. Rate of bile production
D. Renal threshold
Nerve Injuries in Oral & Maxillofacial Surgery › View
What is a potential complication of injury to the inferior alveolar nerve during dental implant placement in the mandible?
A. Gustatory sweating
B. Trismus
C. Paraesthesia of the lower lip and chin
D. Difficulty swallowing