Overview of the Process of Conducting Meta-analyses of the Diagnostic Test Accuracy = Overview of the Process of Conducting Meta-analyses of the Diagnostic Test Accuracy

다국어 초록 (Multilingual Abstract)

Diagnosis is a critical step for clinical treatment. Many individual studies have been conducted to determine the accuracy of various diagnostic tests, but they had small sample sizes and correspondingly inadequate statistical strength. Combining the results from several such studies can help increase the statistical strength and precision of their results. Meta-analysis is a useful tool for evaluating the accuracy of diagnostic tests and can be used to obtain precise estimates when multiple small studies for a given test and subject pool are available. The need for meta-analysis on studies examining diagnostic test accuracy has increased noticeably, and more meta-analyses on diagnostic test accuracy studies are being published. A meta-analysis of diagnostic test accuracy studies differs from a typical meta-analysis because diagnostic test accuracy studies report a pair of statistics, such as sensitivity and specificity, rather than a single statistic. Therefore, meta-analyses of the diagnostic test accuracy need to deal with two summary statistics simultaneously. More complex statistical methods are required for conducting meta-analyses using diagnostic test accuracy studies compared to that required for conventional meta-analysis. This is because the sensitivity and specificity are generally inversely correlated due to a threshold effect, and there is considerable heterogeneity in the results of test accuracy studies. This review provides an overview of the process of meta-analysis of the diagnostic test accuracy. (J Rheum Dis 2018;25:3-10)

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