Abstract

This study aims to evaluate the comparative efficacy of electroacupuncture (EA) and analgesics in treating knee osteoarthritis (KOA) and provide evidence-based medical support for EA for the treatment of KOA. Randomized controlled trials from January 2012to December 2021are included in electronic databases. The Cochrane risk of bias tool for randomized trials is used to assess the risk of bias in the included studies, while the Grading of Recommendations, Assessment, Development and Evaluation is used to assess the quality of evidence. Statistical analyses are performed using Review Manager V5.4. There are 1616patients from 20clinical studies, including 849patients in the treatment group and 767patients in the control group. The effective rate in the treatment group is significantly higher than in the control group (p<0.00001). In the treatment group, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) stiffness scores are significantly improved as compared to the control group (p<0.0001). However, EA is similar to analgesics in improving visual analog scale scores and WOMAC subitems such as pain and joint function. EA is effective in treating KOA because it can significantly improve clinical symptoms and quality of life in KOA patients.

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