TY - JOUR T1 - BET 1: Predicting the need for knee radiography in the emergency department: Ottawa or Pittsburgh rule? JF - Emergency Medicine Journal JO - Emerg Med J SP - 77 LP - 78 DO - 10.1136/emermed-2011-200980 VL - 29 IS - 1 A2 - , Y1 - 2012/01/01 UR - http://emj.bmj.com/content/29/1/77.2.abstract N2 - Report by: Bryony PatrickSearch checked by: Richard BodyInstitution: University of Manchester, Manchester, UKA 30-year-old man presents to the emergency department (ED) after twisting his knee. You suspect a soft tissue injury and are aware that the Ottawa knee rule could be used to help determine whether radiography is necessary. A colleague suggests that you should use the Pittsburgh rule instead. You wonder which rule has greater sensitivity (thus missing fewer fractures) and greater specificity (thus reducing the need for unnecessary radiography).In (adult patients presenting to the emergency department with traumatic knee pain) does the (Ottawa knee rule or the Pittsburgh knee rule) have (greater sensitivity and specificity for knee fractures)?We … ER -