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. 2022 Feb 8;145(4):343–356. doi: 10.1111/acps.13397

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© 2022 The Authors. Acta Psychiatrica Scandinavica published by John Wiley & Sons Ltd.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Forest plots of meta‐analyses

Forest plot of comparison: Acetylcholine inhibitor, outcome: Global cognitive measure ‐ short‐term. Forest plot of comparison: 4 Ketamine, outcome: 4.5 Immediate recall (MCGCFT, MCGCFT, WMS immediate) ‐ short‐term ‐ depressive episode. Forest plot of comparison: 4 Ketamine, outcome: 4.7 Delayed recall (HVLT‐R delayed, WMS‐long term, HVLT‐ delayed) ‐ short‐term ‐ depressive episode. Forest plot of comparison: 4 Ketamine, outcome: 4.11 Executive functions (letter fluency COWAT, RPS‐NAB) ‐ short‐term ‐ depressive episode.