1 / 16

資料庫檢索簡介及操作

資料庫檢索簡介及操作. 北醫附醫實證醫學中心 蔡龍文. http://203.71.88.129 ebm@mail.tmch.org.tw. Clinical Epidemiology - 臨床流行病學. 什麼是實證醫學. 以流行病學及統計學的方法，從龐大的醫學資料中過濾出值得信賴的部份，嚴格評讀、綜合分析、將所能獲得的 最佳文獻、證據 (Evidence) ，與 醫護人員的經驗 (Experience) ，及 病人期望 (Expectation) 的結合，以應用於臨床工作中。. Triple “E” of EBM. Experience. Evidence.

vivien-cooper
Download Presentation

資料庫檢索簡介及操作

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 資料庫檢索簡介及操作 北醫附醫實證醫學中心 蔡龍文 http://203.71.88.129 ebm@mail.tmch.org.tw

  2. Clinical Epidemiology - 臨床流行病學

  3. 什麼是實證醫學 以流行病學及統計學的方法，從龐大的醫學資料中過濾出值得信賴的部份，嚴格評讀、綜合分析、將所能獲得的最佳文獻、證據(Evidence)，與醫護人員的經驗(Experience)，及病人期望(Expectation)的結合，以應用於臨床工作中。

  4. Triple “E” of EBM Experience Evidence Expectation Decision Analysis

  5. Textbooks and the Internet • Finding Answers to More General Questions: Textbooks and the Internet

  6. Search

  7. Search evidence

  8. Steps • Problem 1: You are trying to find a known paper • 眾裡尋她 • Problem 2: You want to answer a specific question • 直指核心 • Problem 3: You want to get general information quickly about a well defined topic • 綜覽主題 • Problem 4: Your search gives irrelevant articles • 去蕪存菁

  9. Problem 5: The search gives no articles, or too few 絕處逢生 Problem 6: You don‘t know where to start searching 無從下手 Problem 7: Limiting a set loses important articles but does not exclude those of low methodological quality 點石成金 Problem 8: Medline hasn't helped 另謀蹊徑 Steps

  10. Beyand Medline…… Up to 63% of all availableRCTs may be missed by a search strategy limited to MEDLINE Antman EM, Lau J, Kupelnick B, Mosteller F, Chalmers TC. A comparison of results of meta analyses of randomized control trials and recommendations of clinical experts: Treatment for myocardial infarction. JAMA. 1992;268:240-247.

  11. 證據金字塔

  12. Evidence level Description Ia: evidence from meta-analysis of randomised controlled trials Ib: evidence from at least one randomised controlled trial IIa: evidence from at least one controlled study without randomisation IIb: evidence from at least one other type of quasi-experimental study III: evidence from non-experimental descriptive studies, such as comparative studies, correlation studies and case-control studies IV: evidence from expert committee reports or opinions and/or clinical experience of respected authorities Classification of evidence--US Agency for Health Care Policy and Research Classification (AHCPR, 1992)

  13. 敬請指教! 實證醫學中心 http://203.71.88.129

More Related