| Table 2: Summary of main acupoints/sites selected in the reviewed studies. |
| | Acupoints/sites | Frequency of appearance () | Percentage () |
| | Zusanli (ST36) | 7 | 31.82 | | Sanyinjiao (SP6) | 6 | 27.27 | | Hegu (LI4) | 6 | 27.27 | | Neiguan (PC6) | 5 | 22.72 | | Shenmen (HT7) | 3 | 13.64 | | Laogone (PC8) | 3 | 13.64 | | Sympathetic (ear) | 3 | 13.64 | | Shenmen (ear) | 3 | 13.64 | | Kidney (ear) | 3 | 13.64 | | Lung (ear) | 3 | 13.64 | | Liver (ear) | 2 | 9.09 | | Waiguan (SJ5) | 2 | 9.09 | | Baihui (GV20/DU20) | 2 | 9.09 | | Dazhui (GV14/DU14) | 2 | 9.09 | | Jiaji (EX-B2) | 1 | 4.55 | | Shenshu (BL23) | 1 | 4.55 | | Sishencong (EX-HN1) | 1 | 4.55 | | Taichong (LR3) | 1 | 4.55 | | Shendao (GV11) | 1 | 4.55 | | Lingtai (GV10) | 1 | 4.55 | | Zhiyang (GV9) | 1 | 4.55 | | Mingmen (GV4) | 1 | 4.55 |
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Note. The sum was 22 for the percentage calculation.
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