| | Study ID | Number (T/C) | Age, years (T/C) | Interventions | Outcomes | Quality of the evidence (GRADE) | | Control group | Treatment group | Follow-up visit | Duration |
| | Zhao, 2019 | 36/36 | 43.25 ± 9.29/46.25 ± 9.72 | Physiotherapy | Physiotherapy + electroacupuncture + auricular acupuncture | — | 2 months | 1, 2, 4 | ㊉ ㊉ ㊉Moderate | | Zhan, 2017 | 30/30 | 30–70, mean: 57.84 ± 4.48 | Functional training | Functional training + manual acupuncture | — | 28 days | 1 | ㊉ ㊉ ㊉Moderate | | Zhao, 2012 | 46/46 | 47.2/46.4 | Physiotherapy | Moxibustion | 4 weeks | 9 weeks | 1 | ㊉ ㊉ ㊉Moderate | | Yang, 2017 | 22/23 | 58.25 ± 6.19/59.42 ± 7.02 | Physiotherapy | Moxibustion | 4 months | 4 weeks | 3, 4 | ㊉ ㊉ ㊉Moderate | | Liu, 2019 | 40/40 | 46.37 ± 14.53/49.32 ± 13.22 | Western medicine | Moxibustion | — | 28 days | 1, 3 | ㊉ ㊉ ㊉Moderate | | Liu, 2019 | 30/30 | 55 ± 11/55 ± 10 | Physiotherapy | Moxibustion | — | 42 days | 1, 2 | ㊉ ㊉ ㊉Moderate | | Huang, 2014 | 31/31 | 30–73, mean: 45.5 | Functional training + Western medicine | Functional training + moxibustion | — | 6 weeks | 1 | ㊉ ㊉ ㊉Moderate | | Jiang, 2015 | 30/30 | 18–70 | Physiotherapy | Physiotherapy + moxibustion | — | 8 weeks | 2 | ㊉ ㊉ ㊉Moderate | | Yao, 2016 | 15/15 | 56.2 ± 5.82/55.8 ± 5.02 | Physiotherapy | Moxibustion | — | 30 days | 2, 4 | ㊉ ㊉ ㊉ ㊉High | | Bao, 2018 | 40/42 | 65 (54, 71)/58 (49, 70) | Physiotherapy | Manual acupuncture | 3 months | 6 weeks | 2, 4 | ㊉ ㊉ ㊉ ㊉High | | Chen, 2018 | 30/30 | 55 ± 11.8/54.93 ± 9.5 | Physiotherapy | Acupressure + Chinese medicine packets | — | 28 days | 1 | ㊉ ㊉ ㊉Moderate | | Zhang, 2016 | 50/25 | 59.90 ± 7.02/56.96 ± 5.33 | Functional training | Functional training + bloodletting puncture and cupping | — | 50 days | 1, 3, 4 | ㊉ ㊉ ㊉Moderate |
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