Fig 1.
Flow diagram for selection of articles.
Fig 2.
Comparisons between treatments and number of studies for each contrast.
Table 1.
Posterior distribution of mean and 95% credible interval, for the anesthetic agent difference effects, derived by Bayesian hierarchical model.
Table 2.
Posterior distribution of the probability to be the best and the worst for each anesthetic agents, derived by Bayesian hierarchical model.