{"id":1497,"date":"2019-04-07T15:44:24","date_gmt":"2019-04-07T15:44:24","guid":{"rendered":"http:\/\/randomedicale.com\/?p=614"},"modified":"2019-04-07T15:44:24","modified_gmt":"2019-04-07T15:44:24","slug":"lecture-critique-darticle-un-test-valide-est-il-fiable-etudes-diagnostiques","status":"publish","type":"post","link":"https:\/\/randomedicale.com\/blog\/2019\/04\/07\/lecture-critique-darticle-un-test-valide-est-il-fiable-etudes-diagnostiques\/","title":{"rendered":"Lecture critique d&rsquo;article &#8211;  Un test valide est-il fiable ? \u00c9tudes diagnostiques"},"content":{"rendered":"<p><strong>Validit\u00e9 et fiabilit\u00e9<\/strong> sont <span style=\"color:#ff0000;\">deux notions diff\u00e9rentes<\/span> \u00e0 bien distinguer dans les articles des \u00e9tudes diagnostiques. Bien des r\u00e9dacteurs d&rsquo;\u00e9preuves ont compris que ces notions \u00e9taient tr\u00e8s s\u00e9lectives et vous pi\u00e8geront le jour J.<\/p>\n<p>Afin de mieux les comprendre et les retenir nous allons les expliquer gr\u00e2ce \u00e0 la m\u00e9thode Rando-M\u00e9dicale !<\/p>\n<p>Imaginez que vous devez choisir un guide de haute montagne pour une randonn\u00e9e risqu\u00e9e. Vous vous rendez au bureau des guides et on vous montre les parcours qu&#8217;empruntent chaque guide pour leurs randonn\u00e9es :<\/p>\n\n\t\t<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-1497 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/4\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/4-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/3\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/2\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/1\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<ol>\n<li>Certains suivent toujours le m\u00eame chemin et vous am\u00e8ne toujours au bon endroit. Ils sont valides et fiables.<\/li>\n<li>Certains suivent toujours le m\u00eame chemin mais ne vous amm\u00e8ne pas au bon endroit. Ils sont fiables mais non valides.<\/li>\n<li>Certains ne suivent pas le m\u00eame chemin mais vous am\u00e8ne au bon endroit. Ils sont valides mais pas fiables.<\/li>\n<\/ol>\n<p><strong>Pour r\u00e9ussir votre randonn\u00e9e, il vous faut un guide valide et fiable.<\/strong><\/p>\n<ul>\n<li><strong>Valide :<\/strong> cela vous assure d&rsquo;arriver \u00e0 la bonne destination. <strong>\u00a0<\/strong><\/li>\n<li><strong>Fiable :<\/strong> cela vous assure de suivre le bon itin\u00e9raire.<\/li>\n<\/ul>\n<p><strong>Pour r\u00e9ussir vos diagnostics en pratique clinique, ils vous faut un test valide et fiable.\u00a0<\/strong><\/p>\n<ul>\n<li><strong>Valide :\u00a0<\/strong>cela vous assure de diagnostiquer la bonne maladie. On \u00e9value la validit\u00e9 d&rsquo;un test notamment gr\u00e2ce \u00e0 <span style=\"text-decoration:underline;\"><strong>sa sensibilit\u00e9 et sp\u00e9cificit\u00e9<\/strong><\/span>.<\/li>\n<li><strong>Fiable :<\/strong>\u00a0cela vous assure que le test est reproductible d&rsquo;un patient \u00e0 l&rsquo;autre. On \u00e9value la fiabilit\u00e9 d&rsquo;un test gr\u00e2ce \u00e0 des outils comme le\u00a0<span style=\"text-decoration:underline;\"><strong>coefficient kappa.\u00a0<\/strong><\/span><\/li>\n<\/ul>\n<p>Ainsi, il est important de retenir qu&rsquo;un test valide n&rsquo;est pas forc\u00e9ment fiable et inversement. Il est certain que l&rsquo;on vous posera une question pour \u00e9valuer votre compr\u00e9hension de ces deux notions si une \u00e9tude diagnostique est propos\u00e9e. Restez vigilant !<\/p>\n<p>On vous guidera jusqu&rsquo;au bout sur le bon chemin !<\/p>\n<p>Courage et pers\u00e9v\u00e9rance.<\/p>\n<p>Gabriel Hallali<\/p>\n<p>[googleapps domain=\u00a0\u00bbdocs\u00a0\u00bb dir=\u00a0\u00bbforms\/d\/e\/1FAIpQLScr2SgaCLkvjUQu1cOcnDDGRUT4_vTd20n8OolLwiZQAqHhAA\/viewform\u00a0\u00bb query=\u00a0\u00bbembedded=true\u00a0\u00bb width=\u00a0\u00bb640&Prime; height=\u00a0\u00bb514&Prime; \/]<\/p>\n\n\t\t<style>\n\t\t\t#gallery-2 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-2 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-2 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-2 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-2' class='gallery galleryid-1497 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/4\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/4-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/3\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/2\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/randomedicale.com\/blog\/1\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/randomedicale.com\/blog\/wp-content\/uploads\/2019\/04\/1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Validit\u00e9 et fiabilit\u00e9 sont deux notions diff\u00e9rentes \u00e0 bien distinguer dans les articles des \u00e9tudes diagnostiques. Bien des r\u00e9dacteurs d&rsquo;\u00e9preuves ont compris que ces notions \u00e9taient tr\u00e8s s\u00e9lectives et vous pi\u00e8geront le jour J. Afin de mieux les comprendre et les retenir nous allons les expliquer gr\u00e2ce \u00e0 la m\u00e9thode Rando-M\u00e9dicale ! Imaginez que vous [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":661,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-1497","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tous-les-articles"],"_links":{"self":[{"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/posts\/1497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/comments?post=1497"}],"version-history":[{"count":0,"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/posts\/1497\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/media\/661"}],"wp:attachment":[{"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/media?parent=1497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/categories?post=1497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/randomedicale.com\/blog\/wp-json\/wp\/v2\/tags?post=1497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}