Summaries and recommendations of the global impression method

With the increase in the number of acupuncture clinical trials, systematic reviews are used to summarize key results across many disciplines. Meta-analysis is a popular method for synthesizing evidence as it provides a succinct way of summarizing evidence quantitatively. Due to clinical heterogeneity, however, it is not always possible to use meta-analysis. Instead, a qualitative method is used. The purpose of this paper is to summary the …