Suggested Electroacupuncture for Postoperative Nausea and Vomiting: A Comprehensive Meta-Analysis and Systematic Review of Randomized Controlled Trials

Zhenxu Han ^1AB , Xi Zhang ^1CE , Huan Yang ^2BC , Ping Yuan ^2CDF , Huanyuan Wang ^3CF , Guangzhong Du ^3AG*

DOI: 10.12659/MSM.941262

Med Sci Monit 2023; 29:e941262

Table 1 Characteristics of the included studies.

Authors, years	Country	Sample size	Type of surgery	ASA
Chen 2018	China	20/20	Total knee arthroplasty	I–II
Fang 2022	China	40/40	Laparoscope surgery	II–III
Li 2017	China	20/20	Laparoscopic gynecological surgery	I–II
Park 2022	Korea	35/29	Thyroidectomy	I–II
Qu 2020	China	47/23	Laparoscopic cholecystectomy	I–II
Praveena 2016	Malaysia	32/32	Transabdominal hysterectomy	I–II
Tong 2022	China	107/34	Breast conserving surgery	I–II
Zhu 2022	China	299/101	Laparoscopic gynecological surgery	I–II