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. 2023 Jan 20;28(6):2266–2276. doi: 10.1038/s41380-023-01945-z

Fig. 3. The effects of perioperative application of ketamine on postoperative depression.

Fig. 3

Forest plots of the postoperative depression rating scale in randomized controlled trials. Random-effects meta-analysis. POD postoperative day. CI confidence interval. df degrees of freedom.