HIGHLIGHTS
SUMMARY
The evaluation of the role and properties of diagnostic tools has become a priority for global health policy and decision-making, driven mainly by the development of new technologies for well-known diseases and the emergence of new deleterious conditions affecting large-scale populations. Briefly, diagnostic studies focus on estimating the ability of the index tool to identify subjects with or without the condition of interest; evidence synthesis then requires two quantities: test sensitivity and specificity and the correlation between them. The statistical approach used depends on the choice between estimating accuracy for a . . .
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