Welton, N. J.; Ades, A. E.; Carlin, J. B.; Altman, D. G.; … - In: Journal of the Royal Statistical Society Series A 172 (2009) 1, pp. 119-136
We present models for the combined analysis of evidence from randomized controlled trials categorized as being at either low or high risk of bias due to a flaw in their conduct. We formulate a bias model that incorporates between-study and between-meta-analysis heterogeneity in bias, and...
