It is a method of analysis that is especially useful for gaining an understanding of complex phenomena when independent studies have produced conflicting findings. Meta-analysis provides much of ...

Network meta-analysis (NMA) is a method that pools evidence from randomised controlled trials that compare two or more interventions, but where each trial may compare different interventions. NMA ...

Contributors KF revised the search strategy from the meta-analysis in 2013 with the support of RER. KF conducted the main search and the screening process assisted by JF. KF performed the analyses and ...