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现有数据的二次分析已成为提升卫生研究机构整体效率的一种日益流行的方法。该工作取决于政府、资助机构以及研究者,取决于他们能不能让没有参与原始研究、没有参与创建和维护登记系统的其他合格研究人员获得原始研究数据或登记系统的数据。二次分析的好处是显而易见的,但面临的障碍很多。因此提高这些数据可获得性的工作进展缓慢,在低收入和中等收入国家尤为如此。本文介绍了现有数据二次分析的基本原理和概念,描述了若干个可公开获得的数据库,为现有数据的二次分析提供一般准则,并讨论了现有数据分析的优势和不足。
Secondary analysis of existing data has become an increasingly popular method of enhancing the overall efficiency of health research institutions. The work depends on the government, funding agencies and researchers, depending on whether they can get data from original research or other systems of registration of qualified researchers who did not participate in the original study, who did not participate in the creation and maintenance of the registration system. The benefits of secondary analysis are obvious, but there are many obstacles. Work on improving the availability of these data has been slow, especially in low- and middle-income countries. This paper introduces the basic principles and concepts of secondary analysis of existing data, describes several publicly available databases, provides general guidelines for the secondary analysis of existing data, and discusses the advantages and disadvantages of existing data analysis.