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Table 4 Search strategy used in Cochrane Library

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 MeSH descriptor: [Cognition Disorders] explode all trees
2 MeSH descriptor: [Amnesia] explode all trees
3 MCI:ti,ab,kw (Word variations have been searched)
4 ‘cognit* impair*’:ti,ab,kw (Word variations have been searched)
5 ‘cognit* declin*’:ti,ab,kw (Word variations have been searched)
6 ‘cognit* deficit*’:ti,ab,kw (Word variations have been searched)
7 ‘cognit* disturb*’:ti,ab,kw (Word variations have been searched)
8 ‘cognit* defect*’:ti,ab,kw (Word variations have been searched)
9 ‘memory impairment’:ti,ab,kw (Word variations have been searched)
10 “CDR 0.5” or “clinical dementia rating scale 0.5”:ti,ab,kw (Word variations have been searched)
11 dement*:ti,ab,kw (Word variations have been searched)
12 “mild neurocognit* disorder*”:ti,ab,kw (Word variations have been searched)
13 SMC or ‘subjective memory complaints’:ti,ab,kw (Word variations have been searched)
14 #1 or #2 or #3 or #4 or #5 or #6 or #7 or #8 or #9 or #10 or #11 or #12 or #13
15 electroacupunct*:ti,ab,kw or electro-acupunct*:ti,ab,kw (Word variations have been searched)
16 #14 and #15