Question 2878
{"accessible":false,"alternatives":[{"id":14035,"text":"TP/D+"},{"id":14036,"text":"TN/D-"},{"id":14037,"text":"TP/T+"},{"id":14038,"text":"TN/T-"}],"archived":false,"correctAlternativeId":14036,"explanation":"\u003cp\u003eSpecificity measures how well a test detects healthy people, therefore we look among people without disease (D-) and see how many of them tested negative (TN).\u003c/p\u003e","id":2878,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2885","nextQuestionPath":"/articles/negative-predictive-value/questions/2877","relatedArticles":[{"id":31421,"title":"Sensitivity","link":"/articles/sensitivity?lang=gb"},{"id":31422,"title":"Specificity","link":"/articles/specificity?lang=gb"},{"id":31423,"title":"Positive predictive value","link":"/articles/positive-predictive-value?lang=gb"},{"id":34845,"title":"Sensitivity and specificity","link":"/articles/sensitivity-and-specificity?lang=gb"}],"alsoUsedIn":[{"id":1912,"kind":"Course","title":"Papa \u0026 Papa Bear's Medical Statistics Short Course - page 1912","link":"https://radiopaedia.org/courses/medical-statistics-short-course/pages/1912"}],"stem":"\u003cp\u003eWhich of the following is the correct formula for calculating the specificity of a diagnostic test?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/2878"}],"attemptsPercentages":[{"alternativeId":"14038","percentage":40},{"alternativeId":"14036","percentage":60},{"alternativeId":"14035","percentage":0},{"alternativeId":"14037","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"negative-predictive-value"}