TY - JOUR T1 - Jottings … JF - Evidence Based Medicine JO - Evid Based Med SP - 130 LP - 130 DO - 10.1136/ebm.12.5.130 VL - 12 IS - 5 A2 - , Y1 - 2007/10/01 UR - http://ebm.bmj.com/content/12/5/130.1.abstract N2 - Less is more. At least when it comes to diagnosis, where simplifying a tool can make it more readily usable at the bedside. In this issue are several short or shortened tools for diagnosis and prognosis. Shorter tools are not just timesaving: they can be as accurate or more accurate for 2 reasons. First, adding weak diagnostic information to good information can degrade the overall performance: as we add items to a clinical prediction rule … ER -