Background: Sensitivity and specificity are characteristics of a diagnostic test and are not expected to change as the prevalence of the target condition changes. We sought to evaluate the association ...

1. Department of Clinical Epidemiology and Biostatistics, McMaster University. Clinical Epidemiology rounds: Interpretation of diagnostic data. 1. How to do it with pictures. CMAJ 1983;129:429-432. 2.

Financial support for this work was provided by the UK Biotechnology and Biological Sciences Research Council (BBSRC) Grant Number BB/1013245/1. The author has no other relevant affiliations or ...

Women living with and without HIV, age 30-65 years, were recruited in South Africa. Self-collected vaginal samples and clinician-collected cervical samples were tested with Xpert HPV, an assay that ...

Conclusions Symptoms, the SAC and the m-BESS have poor test-retest reliability. Symptoms have reasonable sensitivity and specificity for concussion but are subjective. The 3-word SAC and m-BESS are ...

A new tau PET radiotracer, 18F-SNFT-1, has been found to be more effective than existing tau PET radiotracers in identifying Alzheimer’s disease in its earliest stages, according to research. In a ...