![]() ![]() The Cochrane and non-Cochrane reviews included a total of 344 individual clinical trials. Five pairs were published in the same year. This review is registered with the International Prospective Register of Systematic Reviews (PROSPEROCRD42023390089). Provide advice and support to the editorial bases of Cochrane Collaborative Review Groups who have been approached by authors interested in conducting a PMA.įor further information please see Cochrane Handbook for Systematic Reviews of Interventions, Chapter 22. The Cochrane meta-analysis was published before its non-Cochrane pair in 22 of the 40 pairs, while the non-Cochrane meta-analysis was published prior to the Cochrane Review in 13 matched pairs. This review will follow the Cochrane methodology and the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols (PRISMA-P) reporting guidelines 16,17.Provide advice and support to those embarking on (or contemplating) a PMA.Facilitate a forum for discussing aspects of PMA methods.It also allows estimation of the ranking and hierarchy of interventions. Develop appropriate methodological standards for PMA and undertake methodological research relating to PMA. Network meta-analysis produces estimates of the relative effects between any pair of interventions in the network, and usually yields more precise estimates than a single direct or indirect estimate.Members of the PMA Methods Group peer reviewing protocols. 9.4.5.2 Meta-analysis of change scores In some circumstances an analysis based on changes from baseline will be more efficient and powerful than comparison of final values, as it removes a component of between-person variability from the analysis. This fully updated edition contains extensive new material on systematic review methods addressing a wide-range of topics including network meta-analysis.Providing training for members of Collaborative Review Groups (e.g.Provide a mechanism for evaluating protocols to ensure they are indeed PMA.On the webform you can indicate how you would like to be involved (full member or mailing list only). To join us, please click on ‘Join Cochrane’ above and complete the webform. The group is open to anyone who is conducting, has conducted, or is interested in conducting a prospective meta-analysis (PMA), regardless of the area of health care investigated. Potential advantages of meta-analyses include an improvement in precision, the ability to answer questions not posed by individual studies, and the opportunity to settle controversies arising from conflicting claims. Keywords: Meta-analysis, prospective meta-analysis, individual participant data, pooling, data pooling, collaborative overview Meta-analysis is the statistical combination of results from two or more separate studies. ![]()
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