1.0ADC Online Bloghttps://blogs.bmj.com/adcBob Phillipshttps://blogs.bmj.com/adc/author/bphillips/rich600338<blockquote class="wp-embedded-content" data-secret="oArNxWIxQF"><a href="https://blogs.bmj.com/adc/2014/03/09/sensitivity-and-specificity/">Sensitivity and specificity</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogs.bmj.com/adc/2014/03/09/sensitivity-and-specificity/embed/#?secret=oArNxWIxQF" width="600" height="338" title="“Sensitivity and specificity” — ADC Online Blog" data-secret="oArNxWIxQF" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blogs.bmj.com/adc/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Sensitivity and specificity are those sorts of things that can really get knickers twisted up something rotten. They sound like something you should be able to understand, they get used as if you understand them, and then you realise … it’s not quite as you thought …   Really diseased  Really not diseased    Test [...]Read More...https://blogs.bmj.com/adc/files/2014/03/20140303-213332.jpg