The sensitivity and specificity of the PSA test at selected threshold PSA levels, after adjustment for verification bias, are shown in Table 2. The sensitivity and specificity for threshold values ...

An ideal test rarely overlooks the thing you are looking for (i.e., it is sensitive) and rarely mistakes it for something else (i.e. it is specific). Therefore, when evaluating diagnostic tests, it is ...

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 ...

When developing diagnostic tests or evaluating results, it is important to understand how reliable those tests and therefore the results you are obtaining are. By using samples of known disease status ...

Table 3 Sensitivity and specificity by the detection method according to histological type, smoking status and rank of screening; (a) low-dose CT group and (b) chest X-ray group.

Background: Anecdotal evidence suggests that the sensitivity and specificity of a diagnostic test may vary with disease prevalence. Our objective was to investigate the associations between disease ...

Table 2 shows sensitivity, specificity, PPV and NPV for the FFQ compared to overall use of any as well as of specific dietary supplements (multivitamins, vitamin C, E, ...

A test with this specificity would give correct results to 99% of HIV-negative people, but ‘false positive’ results to 1% of them. A sub-optimal test, with only 94% specificity, would give a negative ...

Analytical sensitivity is defined and related to the limit of detection, and analytical specificity is defined and shown to depend on molecular proofreading steps, similar to those applied in ...

Sensitivity, Specificity of Urinalysis for UTIs Assessed in Febrile Infants January 22, 2018 In all groups, specificity was 0.91 (95% CI, 0.90 to 0.91).