A few years ago, we developed metaan, a package to perform fixedor random-effects meta-analysis. In terms of random-effects meta-analysis, it offered a wide choice of models, including maximum likelihood, profile likelihood, or restricted maximum-likelihood, in addition to the established DerSimonian–Laird method available in metan or Cochrane’s RevMan software. Other unique features included a wide range of reported heterogeneity measures and a plot of the maximum likelihood function. Since then, metaan has been continuously updated to offer improved graphics, more options, and more meta-analysis models. In this necessary update, we describe these additions and discuss the new models and the evidence behind them.
CITATION STYLE
Kontopantelis, E., & Reeves, D. (2020). Pairwise meta-analysis of aggregate data using metaan in Stata. Stata Journal, 20(3), 680–705. https://doi.org/10.1177/1536867X20953575
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