《循证医学数据库》PPT课件.ppt

OvidSP Introduction Flexible. Innovative. Precise.,William Chow 周达 2009,Clin-eguide & EBMR,2,Full-Text,Evidence Based Medicine Reviews 循证医学数据库,3,References,4,The Cochrane Collaboration,An international organisation that aims to help people make well-informed decisions about healthcare by preparing, maintaining and promoting the accessibility of systematic reviews of the effects of health care interventions Goal To ensure high quality, up-to-date systematic reviews are available across a broad range of health care topics,5,Archibald Cochrane,6,Archibald Cochrane,British epidemiologist Best known for his influential book, published in 1972 The principles he set out in it so clearly were straightforward: he suggested that, because resources would always be limited, they should be used to provide equitably those forms of health care which had been shown in properly designed evaluations to be effective,7,Cochrane Database of Systematic Reviews,Created by the participants within the international 7,000-member Cochrane Collaboration Analysis and commentary on clinical trials Approximately 65% completed systematic reviews (and 35% protocols). Updated quarterly Links to and from MEDLINE and JournalsOvid Easy access to summarized information on clinical trials,8,Systematic Review Process,Comprehensive Topic Search,Quality Screening,Meta- Analysis,Topic Review,Structured process involving several steps: Well formulated question Comprehensive data search Unbiased selection and abstraction process Critical appraisal of data Synthesis of data,9,循证医学证据的主要来源,10,11,12,13,14,15,16,17,18,19,20,Clin-eguide,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,Important Links,OvidSP Resource Center Ovid Website Training Evaluation /site/docs/eval-form-chinese.doc,Thank You !,57,58,Important Links,OvidSP Resource Center Ovid Websit