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NHHS|http://www.sjpub.org/joinreviewers.html NHHS|http://www.sjpub.org/sitemap.html vti_cachedneedsrewrite:BR|false vti_cachedhasbots:BR|false vti_cachedhastheme:BR|false vti_cachedhasborder:BR|false vti_metatags:VR|HTTP-EQUIV=Content-Type text/html;\\ charset=iso-8859-1 citation_author Oyeka\\ ICA citation_author Igwebuike\\ V.\\ Onyiaorah citation_author Adaora\\ Onyiaorah citation_author Chilota\\ Efobi citation_author Okeh\\ UM citation_title Sensitivity\\ and\\ Specificity\\ Dependent\\ Measure\\ of\\ Association\\ in\\ Diagnostic\\ Screening\\ Tests citation_pdf_url http://www.sjpub.org/sjms/sjms-106.pdf citation_year 2013 citation_online_date 2013 citation_journal_title Science\\ Journal\\ of\\ Mathematics\\ and\\ Statistics citation_abstract This\\ paper\\ proposes\\ and\\ presents\\ a\\ measure\\ of\\ the\\ strength\\ of\r\nassociation\\ between\\ test\\ results\\ and\\ state\\ of\\ nature\\ or\\ condition\\ in\\ a\r\npopulation\\ constructed\\ using\\ only\\ sensitivity\\ and\\ specificity\\ of\r\ndiagnostic\\ screening\\ tests.\\ The\\ proposed\\ measure\\ which\\ always\\ has\r\nbetween\\ -1\\ and\\ 1\\ inclusively\\ enables\\ the\\ researcher\\ to\\ determine\\ not\r\nonly\\ if\\ an\\ association\\ exists\\ between\\ test\\ results\\ and\\ condition,\\ but\\ if\r\nsuch\\ an\\ association\\ exists,\\ whether\\ it\\ is\\ positive\\ and\\ direct\\ or\\ negative\r\nand\\ indirect\\ thereby\\ giving\\ the\\ measure\\ an\\ advantage\\ over\\ the\r\ntraditional\\ odds\\ ratio\\ method.\\ Estimates\\ of\\ the\\ standard\\ error\\ and\\ test\r\nstatistic\\ for\\ the\\ proposed\\ measure\\ are\\ provided.\\ Results\\ using\\ the\r\nproposed\\ measure\\ are\\ shown\\ to\\ be\\ easier\\ to\\ interpret\\ and\\ understand\r\nthan\\ those\\ obtained\\ using\\ the\\ traditional\\ odds\\ ratio\\ approach.\r\nFurthermore,\\ using\\ sample\\ data,\\ the\\ proposed\\ measure\\ is\\ shown\\ to\\ be\r\nat\\ least\\ as\\ efficient\\ and\\ hence\\ as\\ powerful\\ as\\ the\\ traditional\\ odds\\ ratio. dc.rights http://creativecommons.org/licenses/by/3.0/ citation_volume 2013 citation_publisher Science\\ Journal\\ Publication citation_issn 2276-6324 citation_abstract_html_url http://www.sjpub.org/sjms/abstract/sjms-106.html vti_charset:SR|iso-8859-1