Fig. 1From: Cannabis use is associated with a small increase in the risk of postoperative nausea and vomiting: a retrospective machine-learning causal analysisSample average treatment effect (SATE) measured as relative risk of any postoperative nausea/vomiting modeling entire sample as non-users, current (non-daily), or daily cannabis users. Estimates stratified by Apfel score. 95% Bayesian posterior credible interval for SATE generated from 1000 MCMC estimates. Pooled estimate across all Apfel scores showed at right of each groupingBack to article page