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. 2024 Aug 12;72(12):3890–3902. doi: 10.1111/jgs.19125

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© 2024 The Author(s). Journal of the American Geriatrics Society published by Wiley Periodicals LLC on behalf of The American Geriatrics Society.

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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Flowchart of study selection. CHM, Chinese herbal medicine; MCI, mild cognitive impairment; RCT, randomized controlled trial. *Databases: AMED, Allied and Complementary Medicine Database; CBM, China Biomedical Literature; CENTRAL, Cochrane Central Register of Controlled Trials; CINAHL, Cumulative Index of Nursing and Allied Health Literature; CNKI, China National Knowledge Infrastructure Database; CQVIP, Chongqing VIP Database; Embase, Excerpta Medica Database; PubMed; Wanfang. **Registers: Chinese Clinical Trial Registry (ChiCTR) (https://www.chictr.org.cn/), ClinicalTrials.gov (https://clinicaltrials.gov/), International Clinical Trials Registry Platform (ICTRP) (https://trialsearch.who.int/).