Table 3.

The information of included systematic reviews.

Study ID	Study type	First author's country	Included studies	Participants	Intervention	Comparison	Main results
Badakhsh M (2021)18	Qualitative systematic review	Iran	1 retrospective cohorts, 1 case series and 1 case report	COVID-19 patients	Acupuncture	NA	Reduce the negative emotions, improve symptoms (such as chest distress, shortness of breath, and dull pain in epigastric region, etc.) and regain the consciousness.
Chen C (2021)19	Scoping review	China	7 case reports, 6 observational studies, 1 review, 1 RCT and 1 nonrandomized clinical trial	COVID-19 patients	Acupuncture with other interventions	NA	Acupuncture can relieve the symptoms of COVID-19 patients, shorten the length of hospital stay, and is effective for elderly patients with serious illnesses. But there is a lack of high-quality clinical trials.

NA: Not available.