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Table 1 Acupuncture method

From: Combination of acupuncture and Chinese herbal formula for elderly adults with mild cognitive impairment: protocol for a randomized controlled trial

  Acupuncture treatment Sham acupuncture treatment
Acupoints DU20, GV24, GV29, EX-HN1, EX-HN22 (bilateral), HT7 (bilateral), SP6 (bilateral), LI4 (bilateral), LR3 (bilateral) DU20, GV24, GV29, EX-HN1, EX-HN22 (bilateral), HT7 (bilateral), SP6 (bilateral), LI4 (bilateral), LR3 (bilateral)
Depth of needle insertion DU20, GV24, GV29, EX-HN1, EX-HN22, HT7: 0.5 body-inches
SP6: 1–1.5 body-inches
LR3, LI4: 0.5–1 body-inches
No needle insertion
Response sought De-Qi sensation Without De-Qi sensation
Needle stimulation Manual stimulation: lifting-thrusting manipulation or rotating manipulation will be applied to achieve a De-Qi sensation No needle stimulation
Needle-retention time Thirty min Thirty min
Needle type Stainless steel
(0.30 × 25 mm or 0.30 × 4 0 mm; Wuxi Jiajian Medical instruments Co., Ltd., China)
Blunt stainless steel
(0.30 × 25 mm or 0.30 × 40 mm; Wuxi Jiajian Medical instruments Co., Ltd., China)
Number of treatment sessions Twenty treatment sessions in total Twenty treatment sessions in total
Frequency and duration of treatment sessions Twice per week for 8 weeks and followed by once a week for 4 weeks Twice per week for 8 weeks and followed by once a week for 4 weeks
Other components of treatment YSG or placebo herbal medicine YSG or placebo herbal medicine