| | Author year | Country | No. of patients | Gender (M/F) | Age | BMI | Severity | Intervention | Duration, frequency | Retaining (min) | Outcomes | | T | C |
| | Freire et al. 2007 [12] | Brazil | 24
T 12 C 12 | / | / | T 26.9 (26.6-28.0)
C 28.6 (24.8-28.8) | Moderate | Acupuncture | Receiving no treatment | 10 weeks, 1 per week | 30 | AHI, adverse effects | | Chen et al. 2008 [18] | China | 66
T 44 C 22 | T 28/16
C 16/6 |
|
| Severe | Acupuncture | nCPAP | 20 days, 7 per week | 30 | AHI, LSaO2, | | Li et al. 2017 [19] | China | 100
T 50 C 50 | T 29/21
C 27/23 |
| / | Moderate | Acupuncture+nCPAP | nCPAP | 4 weeks, 7per week | 30 | AHI, ESS, LSaO2 | | Pan 2012 [20] | China | 60
T 30 C 30 | T 27/3
C 26/4 |
|
| Mild | Electroacupuncture | CPAP | 20 days, 7 per week | 5 | AHI, LSaO2, | | Song et al. 2015 [21] | China | 70
T 36 C 34 | T 24/12
C 23/11 |
|
| Severe | Electroacupuncture+nCPAP | nCPAP | 6 weeks, 3 per week | 30 | AHI, ESS, LSaO2, adverse effects | | Su 2018 [22] | China | 60
T 30 C 30 | T 19/11
C 18/12 | T 50.34 (27-70)
C 49.5 (28-70) | / | Mild | Acupuncture | nCPAP | 4 weeks, 7 per week | 30 | AHI, ESS | | Xu et al. 2017 [23] | China | 80
T 40 C 40 | T 23/17
C 24/16 |
|
| Mild | Electroacupuncture+Chinese medicine | Chinese medicine | 8 weeks, 3 per week | 30 | AHI, LSaO2 | | Zhang et al. 2014 [24] | China | 90
T 45 C 45 | T 40/5
C 38/7 |
| / | Moderate | Acupuncture | CPAP | 4 weeks,/ | 30 | AHI, adverse effects | | Zhao 2015 [25] | China | 34
T 17 C 17 | T 15/2
C 13/4 |
| / | Severe | Acupuncture | Western medicine | 4 weeks, 6 per week | 20 | AHI, ESS |
|
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