选择一个与诊断有关的检查、检测或检验方法等?涉及怎样为所诊治的患者选择一个利大于弊,价有所值的治疗措施等?涉及怎样去估计患者可能出现的临床进程和预测可能发生的结局等?涉及怎样去辨别引起疾病的原因等Р研究证据的“5S”模型?Haynes’ 5S modelРHaynes, RB Evidence-based Medicine. 2006;11(6):162-164РsummariesРsynopsesРsynthesesРstudiesРsystemsРputerized decision supportРEvidence-based textbooksРEvidence-based journal abstracts РSystematic reviewsР Original journal articlesР回答各类临床问题的研究类型РType of QuestionРSuggested best type of StudyРTherapyРRCT>cohort > case control > case seriesРDiagnosisРprospective, parison to a gold standardРEtiology/HarmРRCT > cohort > case control > case seriesРPrognosisРcohort study > case control > case seriesРPreventionРRCT>cohort study > case control > case seriesРClinical ExamРprospective, parison to gold standardРCostРeconomic analysisРFrom: /Services/Tutorials/ebm/Question.htm