Besides, after excluding studies at high risk of bias (DIC = 229.33, I 2 = 3%), the protective effect of dexamethasone failed to reach significance, while hypertonic saline was excluded as its evidence base relied entirely on high-risk trial ( Supplementary Fig.
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Perioperative interventions in preventing postoperative delirium following orthopaedic surgery in the elderly: a Bayesian network meta-analysis.
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