学完本章后读者应具备的能力:(1)确定Meta分析与自己病人的联系。(2)评价Meta分析的质量,以确定所得的结论是否正确。在医学研究中,绝大多数的研究采用随机对照试验,因此研究的结果都受随机抽样误差的影响而有所差异,从而导致对于同一个研究问题的研究结果往往不全相同,有些研? After reading this chapter, the reader should have the ability to: (1) Determine the meta-analysis and contact with his own patient. (2) Evaluate the quality of the meta-analysis to determine if the resulting conclusions are correct. In medical research, the vast majority of studies use randomized controlled trials, so the results of the study are subject to random sampling errors and differences, resulting in research results for the same research issues are often not the same, some research?