The sensitivity and specificity of a screening test are biased when disease status is not verified in all subjects and when the likelihood of confirmation depends on the test result itself. We ...

ROC analysis provides a systematic tool for quantifying the impact of variability among individuals’ decision thresholds. The term receiver operating characteristic (ROC) originates from the use of ...

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 ...

A multicenter prospective study validated that an electronic nose (eNose) can accurately detect lung cancer in individuals with suspected disease. In the validation cohort, a new eNose model achieved ...