Remarks about systematic reviews of diagnostic tests
نویسندگان
چکیده
منابع مشابه
Exploring sources of heterogeneity in systematic reviews of diagnostic tests.
It is indispensable for any meta-analysis that potential sources of heterogeneity are examined, before one considers pooling the results of primary studies into summary estimates with enhanced precision. In reviews of studies on the diagnostic accuracy of tests, variability beyond chance can be attributed to between-study differences in the selected cutpoint for positivity, in patient selection...
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The Cochrane Collaboration says that the Cochrane handbook for diagnostic test accuracy reviews (DTAR) is currently in development as per the Cochrane Collaboration. This implies that the methodology of systematic reviews (SR) of diagnostic test accuracy is still a matter of debate. At this point, comparison of methodologies for SR in case of interventions as against diagnostics would be helpfu...
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Diagnostic tests are critical components of effective health care. They help determine treatments that are most beneficial for a given patient. Their assessment is a complex process that includes such challenges as a dearth of studies that evaluate clinical outcomes and lack of data on use of the test in realistic clinical settings. The methodologic quality of studies of diagnostic tests also l...
متن کاملSystematic reviews of diagnostic tests in cancer: review of methods and reporting.
OBJECTIVES To assess the methods and reporting of systematic reviews of diagnostic tests. DATA SOURCES Systematic searches of Medline, Embase, and five other databases identified reviews of tests used in patients with cancer. Of these, 89 satisfied our inclusion criteria of reporting accuracy of the test compared with a reference test, including an electronic search, and published since 1990....
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Systematic reviews of diagnostic accuracy studies allow calculation of pooled estimates of accuracy with increased precision and examination of differences in accuracy between tests or subgroups of studies. Recently, several advances have been made in the methods used in performing systematic reviews of diagnostic test accuracy studies, most notably in how to assess the methodological quality o...
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ژورنال
عنوان ژورنال: Sao Paulo Medical Journal
سال: 2012
ISSN: 1516-3180
DOI: 10.1590/s1516-31802012000500002