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Network meta-analysis diagrams for (a) arrhythmia and (b) delirium. Nodes are proportional to the number of patients included in the corresponding treatments, and edges are weighted according to the number of studies included in the respective comparisons. Dex: Dexamethasone; Dolas: Dolasetron; Drop: Droperidol; Granis: Granisetron; Ondans: Ondansetron; Tropis: Tropisetron
