Individual Patient Data Meta-analysis is Needed in Chinese Medical Research
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Publication biases and collection limitations are the main disadvantages of a traditional meta-analysis based on aggregate patient data (APD) from published articles. Individual patient data (IPD) meta-analysis, as the gold standard of systematic review, is a possible alternative in this context. However, the publications relative to IPD meta-analyses are still rare compared with the traditional ones, especially in the research oriented to Chinese medicine (CM). In this article, the strengths and detailed functioning of IPD meta-analysis are described. Furthermore, the need for IPD meta-analysis to assess the treatments based on CM was also discussed. Compared with the traditional APD meta-analysis, the IPD meta-analysis might give a more accurate and unbiased assessment and is worth to be recommended to CM researchers.