%0 Journal Article %T Pediatr¨ªa basada en la evidencia: Estudios de diagn¨®stico (2a parte) %A Demirdjian %A Graciela %J Archivos argentinos de pediatr£¿-a %D 2010 %I Sociedad Argentina de Pediatria %X diagnosis is a complex process, demanding experience and proper instruments. technology has advanced rapidly, increasing the number of available diagnostic tests. however, few well designed and validated useful clinical tools exist. this article summarizes the development process for clinical prediction rules and the use of roc curves to select the best cutoff point for tests with continuous results. %K evidence-based medicine %K diagnosis %K prognosis %K roc curve %K clinical prediction rules. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S0325-00752010000600010&lng=en&nrm=iso&tlng=en