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Table 9 Search strategy used in Koreamed

From: Cognitive improvement effects of electro-acupuncture for the treatment of MCI compared with Western medications: a systematic review and Meta-analysis

No Search items
1 MCI [TI]
2 “cognitive disorders” [TI]
3 “Cognition disorder” [TI]
4 (cognit* [TI] AND impair* [TI])
5 OR 1–4
6 “electroacupuncture” [TI]
7 “Clinical Trial” [PT]
8 “Controlled Clinical Trial” [PT]
9 “Meta-Analysis” [PT]
10 “Randomized Controlled Trial” [PT]
11 OR 7–10
12 “Humans” [MH]
13 #5 AND #6 AND #12